ES2529865B1 - USE OF COMPOUNDS DERIVED FROM SIRES OF PIRIDAZINO [1 ', 6': 1,2] PIRIDO [3,4-b] INDOLINIO AS ANTI-INFLAMMATORY AGENTS - Google Patents
USE OF COMPOUNDS DERIVED FROM SIRES OF PIRIDAZINO [1 ', 6': 1,2] PIRIDO [3,4-b] INDOLINIO AS ANTI-INFLAMMATORY AGENTS Download PDFInfo
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- ES2529865B1 ES2529865B1 ES201331143A ES201331143A ES2529865B1 ES 2529865 B1 ES2529865 B1 ES 2529865B1 ES 201331143 A ES201331143 A ES 201331143A ES 201331143 A ES201331143 A ES 201331143A ES 2529865 B1 ES2529865 B1 ES 2529865B1
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- Prior art keywords
- compound
- indole
- pyrido
- use according
- diethyl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- DTQVDTLACAAQTR-DYCDLGHISA-N trifluoroacetic acid-d1 Chemical compound [2H]OC(=O)C(F)(F)F DTQVDTLACAAQTR-DYCDLGHISA-N 0.000 description 1
- JCMLRUNDSXARRW-UHFFFAOYSA-N trioxouranium Chemical compound O=[U](=O)=O JCMLRUNDSXARRW-UHFFFAOYSA-N 0.000 description 1
- 201000008827 tuberculosis Diseases 0.000 description 1
- 230000005748 tumor development Effects 0.000 description 1
- 230000006433 tumor necrosis factor production Effects 0.000 description 1
- 230000035899 viability Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
- A61K31/50—Pyridazines; Hydrogenated pyridazines
- A61K31/5025—Pyridazines; Hydrogenated pyridazines ortho- or peri-condensed with heterocyclic ring systems
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- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Uso de compuestos derivados de sales de piridazino[1',6':1,2]pirido[3,4-b]indolinio como agentes antiinflamatorios.#La presente invención está relacionada con compuestos de las familias de sales de piridazinopiridoindolinio, con las composiciones farmacéuticas que los contienen y con el uso de los mismos como agentes antiinflamatorios a través de la inhibición de la producción del factor de necrosis tumoral alfa (TNF-{al}) por monocitos y macrófagos proinflamatorios en mamíferos y en todas las enfermedades y condiciones en las que este mediador presenta niveles elevados, tales como artritis reumatoide, osteoartritis, enfermedad de Crohn, colitis ulcerosa, asma, bronquitis, enfermedad obstructiva de las vías respiratorias crónica, psoriasis, rinitis alérgica, espondilitis anquilosante, hidradenitis supurativa, dermatitis y cualquier otro estado inflamatorio que curse con niveles altos de TNF-{al}.Use of compounds derived from pyridazine salts [1 ', 6': 1,2] pyrido [3,4-b] indolinium as anti-inflammatory agents. # The present invention relates to compounds of the families of pyridazinopyridoindolinium salts, with pharmaceutical compositions containing them and with the use thereof as anti-inflammatory agents through the inhibition of the production of tumor necrosis factor alpha (TNF-al) by monocytes and pro-inflammatory macrophages in mammals and in all diseases and conditions in which this mediator has elevated levels, such as rheumatoid arthritis, osteoarthritis, Crohn's disease, ulcerative colitis, asthma, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, ankylosing spondylitis, suppurative hydradenitis, dermatitis and any other inflammatory state with high levels of TNF- {al}.
Description
La presente invención se refiere al uso de compuestos inhibidores de la producción de TNF-alfa y por tanto útiles como agentes antiinflamatorios. Por tanto, la invención se podría encuadrar en el campo de la biomedicina. The present invention relates to the use of compounds that inhibit the production of TNF-alpha and are therefore useful as anti-inflammatory agents. Therefore, the invention could be framed in the field of biomedicine.
ESTADO DE LA TÉCNICA ANTERIOR STATE OF THE PREVIOUS TECHNIQUE
La inflamación es un proceso fisiológico complejo y dinámico que se produce en respuesta a un daño celular o tisular en un intento de defender al organismo frente a una agresión externa. No obstante, la inflamación crónica puede estar asociada a diversos procesos patológicos pudiendo ser el origen de los mismos o contribuir a un agravamiento del cuadro clínico. Inflammation is a complex and dynamic physiological process that occurs in response to cellular or tissue damage in an attempt to defend the body against external aggression. However, chronic inflammation may be associated with various pathological processes and may be the origin of them or contribute to an aggravation of the clinical picture.
Aunque diversos tipos celulares participan en los procesos inflamatorios, los macrófagos son los principales organizadores del proceso, contribuyendo en gran medida a la producción de diversas citoquinas proinflamatorias. Although various cell types participate in inflammatory processes, macrophages are the main organizers of the process, contributing greatly to the production of various pro-inflammatory cytokines.
El TNF-a es una citoquina inflamatoria producida por macrófagos, células de linaje de macrófagos (células Kupffer), neutrófilos, basófilos, eosinófilos, linfocitos, células NK, células LAK, células cebadas, células de la médula ósea, fibroblastos, astrocitos, queratinocitos y otros tipos celulares. Sin embargo, los macrófagos son los principales productores de TNF-a. Esta citoquina induce apoptosis en varias líneas tumorales y en combinación con otras citoquinas proinflamatorias es responsable de alteraciones en células endoteliales que originan diversas patologías que afectan a la microvasculatura. Además TNF-a promueve angiogénesis in vivo. En macrófagos estimula funciones microbicidas y la biosíntesis de otras citoquinas. Aunque TNF-a se requiere para una respuesta inmune normal, su sobre-expresión puede tener consecuencias patológicas . Es el principal mediador de caquexia en pacientes con tumores y es el principal responsable de algunos efectos graves durante sepsis por bacterias Gram negativas. Además se ha demostrado que desempeña un papel clave TNF-a is an inflammatory cytokine produced by macrophages, macrophage lineage cells (Kupffer cells), neutrophils, basophils, eosinophils, lymphocytes, NK cells, LAK cells, primed cells, bone marrow cells, fibroblasts, astrocytes, keratinocytes and other cell types. However, macrophages are the main producers of TNF-a. This cytokine induces apoptosis in several tumor lines and in combination with other proinflammatory cytokines is responsible for alterations in endothelial cells that cause various pathologies that affect the microvasculature. In addition TNF-a promotes angiogenesis in vivo. In macrophages it stimulates microbicidal functions and the biosynthesis of other cytokines. Although TNF-a is required for a normal immune response, its overexpression can have pathological consequences. It is the main mediator of cachexia in patients with tumors and is primarily responsible for some serious effects during sepsis by Gram negative bacteria. It has also been shown to play a key role.
en el desarrollo de diversas enfermedades autoinmunes y/o asociadas a inflamación crónica (artritis reumatoide, esclerosis múltiple). in the development of various autoimmune diseases and / or associated with chronic inflammation (rheumatoid arthritis, multiple sclerosis).
La síntesis de TNF-a se induce por diferentes estímulos, incluido el IFN-y; pero el estímulo más potente en macrófagos es el LPS presente en la pared de las bacterias Gram negativas. Recientemente se ha descrito además que moléculas que se liberan por las células del organismo cuando sufren un daño o agresión son también capaces de inducir la producción de TNF-a. The synthesis of TNF-a is induced by different stimuli, including IFN-y; but the most potent stimulus in macrophages is the LPS present in the wall of Gram negative bacteria. Recently it has also been described that molecules that are released by body cells when they suffer damage or aggression are also capable of inducing the production of TNF-a.
Actualmente, los agentes antiinflamalorios esleroideos (hormonas) y agentes antiinflamatorios no esteroideos (AINES) se utilizan para el tratamiento de diversas patologías. Sin embargo, estos agentes tienen diversos puntos de acción y no tienen una acción inhibidora específica para TNF-a. Así, es probable que provoquen efectos secundarios perjudiciales, particularmente, los efectos secundarios de los antiinflamatorios esteroideos (corticoides) se han convertido en un problema médico. Currently, scleroid anti-inflammatory agents (hormones) and non-steroidal anti-inflammatory agents (NSAIDs) are used for the treatment of various pathologies. However, these agents have various points of action and do not have a specific inhibitory action for TNF-a. Thus, they are likely to cause harmful side effects, particularly, the side effects of steroidal anti-inflammatory drugs (corticosteroids) have become a medical problem.
Anti-TNF-alfa son los fármacos biológicos de más éxito hoy en día y están indicados para el tratamiento de enfermedades autoinmunes tales como artritis reumatoide crónica, artritis psoriásica, artritis idiopática autoinmune, psoriasis, espondilitis anquilosante, enfermedad Crohn y colitis ulcerosa, en las que han demostrado buenos resultados clínicos; pero tienen efectos secundarios como reacciones de hipersensibilidad, predisposición a infecciones que pueden ser graves como tuberculosis y sepsis, aumento del riesgo de desarrollo de tumores y el deterioro neuronal ocasionado por un efecto desmielinizante. Anti-TNF-alpha are the most successful biological drugs today and are indicated for the treatment of autoimmune diseases such as chronic rheumatoid arthritis, psoriatic arthritis, idiopathic autoimmune arthritis, psoriasis, ankylosing spondylitis, Crohn's disease and ulcerative colitis, in the that have shown good clinical results; but they have side effects such as hypersensitivity reactions, predisposition to infections that can be serious such as tuberculosis and sepsis, increased risk of tumor development and neuronal deterioration caused by a demyelinating effect.
Durante los últimos años, varias estrategias encaminadas a inhibir selectivamente diversas citoquinas proinflamatorias han aportado terapias basadas en proteínas para enfermedades inflamatorias, validando la hipótesis terapéutica de que la intervención en la señalización a través de citoquinas puede aportar un beneficio terapéutico. Sin embargo, además de su elevadisimo coste estos productos proteicos presentan el inconveniente de su administración por vía intravenosa. In recent years, several strategies aimed at selectively inhibiting various proinflammatory cytokines have provided protein-based therapies for inflammatory diseases, validating the therapeutic hypothesis that intervention in cytokine signaling can provide a therapeutic benefit. However, in addition to their very high cost, these protein products have the disadvantage of being administered intravenously.
Por todo ello, se ha vuelto a prestar atención a nuevas estrategias encaminadas a desarrollar una nueva generación de inhibidores de TNF-a que permitan por ejemplo su administración por vía oral y que presenten pocos efectos secundarios. Además de interferir con la producción o señalización de citoquinas proinflamatorias con fármacos activos de administración oral combinarían la comodidad de los fármacos convencionales con la eficacia probada de las terapias biológicas. For all these reasons, attention has been paid to new strategies aimed at developing a new generation of TNF-a inhibitors that allow, for example, oral administration and have few side effects. In addition to interfering with the production or signaling of proinflammatory cytokines with active oral administration drugs, they would combine the comfort of conventional drugs with the proven efficacy of biological therapies.
5 La preparación de sales de piridazino[1 ',6':1 ,2]pirido[3,4-b]indolinio y piridazino[3,2b]benzimidazolio se ha descrito anteriormente a través de una secuencia de dos reacciones a partir de azinas y azoles que presentan un grupo metilo en la posición (l al átomo de nitrógeno. La primera reacción consiste en una N-aminación con un The preparation of pyridazino salts [1 ', 6': 1, 2] pyrido [3,4-b] indolinium and pyridazino [3,2b] benzimidazolium has been described above through a sequence of two reactions from azines and azoles that have a methyl group in the position (1 to the nitrogen atom. The first reaction consists of an N-amination with a
10 agente ami nante como HOSA (ácido O-hidroxilaminosulfónico) o MSH (mesitilensulfonato de hidroxilamina). Esta sal de N-amino azinio o azolio se hace reaccionar posteriormente con una 1,2-dicetona en presencia de una base para dar una doble condensación que conduce a la sal final. 10 aminating agent such as HOSA (O-hydroxylaminosulfonic acid) or MSH (hydroxylamine mesitylenesulfonate). This N-amino azinium or azolium salt is subsequently reacted with a 1,2-diketone in the presence of a base to give a double condensation leading to the final salt.
15 DESCRIPCION DE LA INVENCiÓN 15 DESCRIPTION OF THE INVENTION
La presente invención proporciona nuevos inhibidores de TNF-a, y por tanto, útiles para la prevención y/o tratamiento de enfermedades inflamatorias en mamíferos, preferiblemente en humanos. The present invention provides new TNF-a inhibitors, and therefore, useful for the prevention and / or treatment of inflammatory diseases in mammals, preferably in humans.
20 Por tanto, el primer aspecto de la presente invención se refiere al uso de un compuesto de fórmula general (1 ): Therefore, the first aspect of the present invention relates to the use of a compound of general formula (1):
~ • x ~ • x
R, R,
25 (1) donde: R, se selecciona de la lista que comprende hidrógeno, alquilo (C,-C,o), alquenilo (C2C1O), alquinilo (C,-C1O), -(CH,),CO,R,', -(CH')mR,", -(CH')pCONHR,'" o el grupo de fórmula (11): 25 (1) where: R, is selected from the list comprising hydrogen, (C, -C, or) alkyl, (C2C1O) alkenyl, (C, -C1O) alkynyl, - (CH,), CO, R, ', - (CH') mR, ", - (CH ') pCONHR,'" or the group of formula (11):
~ ~
I I
R,R,
R R
, ,
N R, N R,
!!
;-~N-N; - ~ N-N
1 1 eleven
• x-• x-
R.,-~ R., - ~
(11 ) (eleven )
donde R se selecciona de la lista que comprende alquilo (C,·C20) , alquenilo (C2-C20) , where R is selected from the list comprising (C, · C20) alkyl, (C2-C20) alkenyl,
5 alquinilo (C,-C,,), -(CH')oCO,R,'-O,C(CH,)o-ó -(CH')pCONHR,"'-NHOC(CH,)p-; n, m o p tienen un valor de entre O y 5 Y R,' se selecciona de entre hidrógeno y alquilo (C,· ClO), R," se selecciona de entre halógeno, alquenilo (C2-C4) o alquinilo (C2-C4) y R(' se selecciona de entre alquilo (C,-C4), alquenilo (C2-C4) o alquinilo (C2-C4); R2 y R), son iguales o diferentes, y se seleccionan de entre alquilo (e,-e,o), cicloalquilo 5 alkynyl (C, -C ,,), - (CH ') oCO, R,' - O, C (CH,) o-o - (CH ') pCONHR, "' - NHOC (CH,) p-; n, mop have a value between O and 5 YR, 'is selected from hydrogen and alkyl (C, · ClO), R, "is selected from halogen, alkenyl (C2-C4) or alkynyl (C2-C4) and R ('is selected from (C, -C4) alkyl, (C2-C4) alkenyl or (C2-C4) alkynyl; R2 and R), are the same or different, and are selected from ((,, -) e, o), cycloalkyl
10 (C3-CS) , arilo, heteroarilo o R2 y ~pueden estar enlazados entre si formando parte de un anillo, saturado o aromático; R4 se selecciona de la lisia que comprende hidrógeno, alquilo (e,-el0 ), halógeno, nitro, amino, hidroxilo, Q-R4', donde ~' se selecciona entre un alquilo (C1-C12), arilo, aralquilo °heteroarilo; y 10 (C3-CS), aryl, heteroaryl or R2 and ~ may be linked together as part of a ring, saturated or aromatic; R4 is selected from lysia comprising hydrogen, alkyl (e, -el0), halogen, nitro, amino, hydroxyl, Q-R4 ', where ~' is selected from a (C1-C12) alkyl, aryl, aralkyl ° heteroaryl ; Y
15 X' es un anión biológica o farmacéuticamente aceptable; 15 X 'is a biologically or pharmaceutically acceptable anion;
o cualquiera de sus sales farmacéuticamente aceptable, para la elaboración de un medicamento para la inhibición de la producción de TNF-a. or any of its pharmaceutically acceptable salts, for the preparation of a medicament for the inhibition of the production of TNF-a.
En una realización preferida, Rl se selecciona de entre hidrógeno, -(CH2)oC02 Rl' o In a preferred embodiment, R 1 is selected from hydrogen, - (CH 2) or CO 2 R 1 'or
20 -(CH')mR,"_ 20 - (CH ') mR, "_
En una realización más preferida, Rl' se selecciona de entre hidrógeno o alquilo (ClCl0) y n es O ó 1, más preferiblemente, R1' es hidrógeno, metilo, etilo °lerc-butilo. In a more preferred embodiment, Rl 'is selected from hydrogen or alkyl (ClCl0) and n is O or 1, more preferably, R1' is hydrogen, methyl, ethyl ° lerc-butyl.
25 En otra realización más preferida, Rl" es un halógeno o un alquinilo (C2-CJ) y m tiene un valor de 2 a 4, más preferiblemente Rl " es yodo o etinilo y m es 3. In another more preferred embodiment, Rl "is a halogen or a (C2-CJ) alkynyl and m has a value of 2 to 4, more preferably Rl" is iodine or ethynyl and m is 3.
Cuando Rl es el grupo de fórmula (11 ), el compuesto de la invención es de fórmula general (111): When Rl is the group of formula (11), the compound of the invention is of general formula (111):
R, R,
R R
R, R,
~ ~
R3 R3
(111) (111)
donde R, R2, R3, R; Y X-se han descrito anteriormente. where R, R2, R3, R; And X-have been described above.
5 En una realización preferida, R es alquilo (CS-C1S) , alquenilo (Cs-C,s) o alquinilo (CsC,s), más preferiblemente R es deca-4,6-diin-1 , 10-diilo. In a preferred embodiment, R is alkyl (CS-C1S), alkenyl (Cs-C, s) or alkynyl (CsC, s), more preferably R is deca-4,6-diin-1, 10-diyl.
En otra realización preferida de los compuestos de fórmula (1) o (111), R2 Y R:¡.. son 10 iguales o diferentes, y se seleccionan de entre metilo, etilo o 2-furilo o están enlazados entre si formando el 1,B-naftodiilo. Más preferiblemente, R2 y RJ son iguales. In another preferred embodiment of the compounds of formula (1) or (111), R2 YR: ... are the same or different, and are selected from methyl, ethyl or 2-furyl or are linked together to form 1, B-Naphthodiyl. More preferably, R2 and RJ are the same.
En otra realización preferida de los compuestos de fórmula (1) o (111), R4 se selecciona de la lista que comprende hidrógeno, alquilo (ere), halógeno, nitro, ami no, Q-R.;', 15 donde R,¡' se selecciona entre un alquilo (ere) o arilo, más preferiblemente R,¡ se selecciona entre ami no, bromo, nitro, metoxilo o benzoxilo. In another preferred embodiment of the compounds of formula (1) or (111), R4 is selected from the list comprising hydrogen, alkyl (ere), halogen, nitro, amine, QR .; ', where R,' is selected from an alkyl (ere) or aryl, more preferably R, is selected from ammonium, bromine, nitro, methoxy or benzoxyl.
En otra realización preferida de los compuestos de fórmula (1) o (111), X-es haluro o mesitilensulfonato, más preferiblemente el haluro es bromuro, yoduro o cloruro. In another preferred embodiment of the compounds of formula (1) or (111), X-is halide or mesitylenesulfonate, more preferably the halide is bromide, iodide or chloride.
El compuesto de fórmula general (1) o (111) se selecciona de la lista que comprende: mesitilensulfonato de 9-bromo-2,3-dietil-12H-piridazino[1' ,6': 1 ,2]pirido[3,4-b]indol-5-inio (Compuesto 4), mesitilensulfonato de 2,3-dietil-12H-11-nitropiridazino[1' ,6': 1 ,2]pirido(3,4-b]indol-5-inio The compound of general formula (1) or (111) is selected from the list comprising: 9-Bromo-2,3-diethyl-12H-pyridazino [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inium mesitylenesulfonate (Compound 4), 2,3-diethyl-12H-11-nitropyrididazino mesitylenesulfonate [1 ', 6': 1, 2] pyrido (3,4-b] indole-5-inium
25 (Compuesto 7), 25 (Compound 7),
dicloruro de 11-amonio-2,3-dietil-12H-piridazino[1',6':1,2]pirido[3,4-b]indol-5-inio (Compuesto 8), mesitilensulfonato de 1O-benciloxi-12-terc-butoxicarbonil-2,3-dietilpiridazino[1',6': 1,2] pirido(3,4-b]indol-5-inio (Compuesto 13), 11-ammonium-2,3-diethyl-12H-pyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5-inium dichloride (Compound 8), 1O-benzyloxy-12-tert-butoxycarbonyl-2,3-diethylpyridazino mesylenesulfonate [1 ', 6': 1,2] pyrido (3,4-b] indole-5-inium (Compound 13),
5 bromuro de 2,3-dimetil-12H-1 O-metoxipiridazino(1',6':1 ,2]pirido(3,4-b]indol-5-inio (Compuesto 17), mesitilensulfonato de 2,3-dietil-12H-1 O-rnetoxipiridazino[1',6': 1,2]pirido[3,4-b]indol-5inio (Compuesto 20), bromuro de 2,3-dietil-12-etoxicarbonilmetil-1 O-metoxipiridazino[1 ',6':1,2]pirido[3,45 2,3-dimethyl-12H-1 O-methoxypyridazino bromide (1 ', 6': 1, 2] pyrido (3,4-b] indole-5-inium (Compound 17), 2,3- mesitylenesulfonate diethyl-12H-1 O-rnethoxypyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5inium (Compound 20), 2,3-diethyl-12-ethoxycarbonylmethyl-1 O- bromide methoxypyridazino [1 ', 6': 1,2] pyrido [3,4
10 b]indol-5-inio (Compuesto 22), yoduro de 2,3-dietil-1 0-metoxi-12-(3-yodopropil )-piridazino[1',6': 1,2)pirido[3,4-b)indol-5inio (Compuesto 23), bromuro de 12-carboximetil-2,3-dietil-1 O-metoxipiridazino[1 ',6': 1,2]pirido[3,4-b]indol-5inio (Compuesto 24), 10 b] indole-5-inium (Compound 22), 2,3-diethyl-1 0-methoxy-12- (3-iodopropyl) -pyridazino [1 ', 6': 1,2) pyrido [3, 4-b) indole-5inium (Compound 23), 12-carboxymethyl-2,3-diethyl-1 O-methoxypyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5inium (Compound 24),
15 mesitilensulfonato de 14-metoxi-16-(pent-4-inil)acenafto[1",2":3',4']piridazino[1',6':1,2] pirido[3,4-b]indol-9-inio (Compuesto 27) mesitilensul!onato de 2,3-di-(2-!uril)-1 0-metoxi-12-(pent-4-inil)piridazino[1 ',6':1,2)pirido [3,4-b]indol-5-inio (Compuesto 28) y dimesitilensul!onato de 12,12'-(deca-4,6-diin-1,10-diil)-bis-(2,3-dietil-1 015-Methoxy-16- (pent-4-inyl) acenaphth [1 ", 2": 3 ', 4'] pyridazino [1 ', 6': 1,2] pyrido [3,4-b] mesylenesulfonate indole-9-inium (Compound 27) mesitylenesul! 2,3-di- (2-! uryl) -1 0-methoxy-12- (pent-4-inyl) pyridazine [1 ', 6': 1, 2) [3,4-b] indole-5-inium pyrido (Compound 28) and 12,12 'dimesitilensul! Onato - (deca-4,6-diin-1,10-diyl) -bis- (2, 3-diethyl-1 0
20 metoxipiridazino[1 ',6':1,2)pirido[3,4-b)indol-5-inio) (Compuesto 31 ). Methoxypyridazino [1 ', 6': 1,2) pyrido [3,4-b) indole-5-inio) (Compound 31).
En una realización más preferida el compuesto es bromuro de 2,3-dimetil-12H-10In a more preferred embodiment the compound is 2,3-dimethyl-12H-10 bromide.
metoxipiridazino[1 ',6':1,2)pirido[3,4-b)indol-5-inio (Compuesto 17). methoxypyridazino [1 ', 6': 1,2) pyrido [3,4-b) indole-5-inium (Compound 17).
Cualquiera de los compuestos descritos en la presente invención, de fórmula general Any of the compounds described in the present invention, of general formula
(1) o (1 ), se pueden utilizar como agentes antiinflamatorios que cursan a través de la inhibición de la producción del factor de necrosis tumoral alfa (TNF-a). Por tanto, otro aspecto de la presente invención se refiere al uso de los compuestos de fórmula (1 ) o (1) or (1 ), can be used as anti-inflammatory agents that pass through the inhibition of the production of tumor necrosis factor alpha (TNF-a). Therefore, another aspect of the present invention relates to the use of the compounds of formula (1) or
30 (111) para la elaboración de un medicamento para el tratamiento y/o prevención de enfermedades inflamatorias, siendo estas enfermedades inflamatorias conocidas por un experto en la materia y más preferiblemente se pueden seleccionar de la lista que comprende artritis reumatoide, artritis psoriásica, artritis idiopática autoinmune, osteoartritis, enfermedad de Crohn, colitis ulcerosa, uveitis, asma, bronquitis, 30 (111) for the preparation of a medicament for the treatment and / or prevention of inflammatory diseases, these inflammatory diseases being known by a person skilled in the art and more preferably can be selected from the list comprising rheumatoid arthritis, psoriatic arthritis, arthritis idiopathic autoimmune, osteoarthritis, Crohn's disease, ulcerative colitis, uveitis, asthma, bronchitis,
enfermedad obslructiva de las vías respiratorias crónica, psoriasis, rinitis alérgica, espondilitis anquilosante, hidradenitis supurativa, dermatitis y cualquier otro estado inflamatorio con niveles altos de producción de TNF-a, incluyendo todo estado inflamatorio que suceda asociado a una enfermedad renal. obstructive chronic airway disease, psoriasis, allergic rhinitis, ankylosing spondylitis, suppurative hydradenitis, dermatitis and any other inflammatory condition with high levels of TNF-a production, including any inflammatory state that occurs associated with kidney disease.
Otro aspecto de la presente invención se refiere a los compuestos seleccionados de la lisia que comprende: yoduro de 2,3-dietil-1 O-metoxi-12-(3-yodopropil)piridazino[1' ,6': 1 ,2]pirido[3,4-b]indol-5¡nío (Compuesto 23) y bromuro de 12-carboximetil-2,3-dietil-1 O-metoxipiridazino[1' ,6': 1 ,2]pirido(3,4-b]indol-5¡nío (Compuesto 24). Another aspect of the present invention relates to the compounds selected from lysia comprising: 2,3-diethyl-1 O-methoxy-12- (3-iodopropyl) pyridazine iodide [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-yl (Compound 23) and 12-carboxymethyl-2,3-diethyl-1 O-methoxypyridazino [1 ', 6': 1, 2] pyrido (3,4 -b] indole-5 (child (Compound 24).
Otro aspecto de la presente invención se refiere a una composición farmacéutica que comprende al menos un compuesto seleccionado de entre yoduro de 2,3-dietil-10metoxi-12-(3-yodopropil)piridazino[1 ' ,6':1 ,2]pirido[3,4-b]indol-5-inio (Compuesto 23) y bromuro de 12-carboximetil-2,3-dietil-1 O-metoxipiridazino[1' ,6': 1 ,2]pirido(3,4-b]indol-5inio (Compuesto 24), , además de un vehículo farmacéuticamente aceptable. Opcionalmente esta composición farmacéutica también comprende otro principio activo, preferiblemente se puede seleccionar de entre un agente antiinflamatorio o un inhibidor de la producción de TNF-o.. Another aspect of the present invention relates to a pharmaceutical composition comprising at least one compound selected from 2,3-diethyl-10-methoxy-12- (3-iodopropyl) pyridazine iodide [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inium (Compound 23) and 12-carboxymethyl-2,3-diethyl-1 O-methoxypyridazino [1 ', 6': 1, 2] pyrido (3,4 -b] indole-5inium (Compound 24), in addition to a pharmaceutically acceptable carrier Optionally this pharmaceutical composition also comprises another active ingredient, preferably it can be selected from an anti-inflammatory agent or an inhibitor of TNF-o ..
Los "vehículos farmacéuticamente aceptables" que pueden ser utilizados en dichas composiciones son los vehículos conocidos por un experto en la materia. The "pharmaceutically acceptable vehicles" that can be used in said compositions are the vehicles known to a person skilled in the art.
Otro aspecto de la presente invención se refiere al uso del compuesto seleccionado de entre yoduro de 2,3-dietil-1 O-metoxi-12-(3-yodopropil)piridazino[1 ',6':1 ,2]pirido[3,4b]indol-5-inio (Compuesto 23) y bromuro de 12-carboximetil-2,3-dietil-10metoxipiridazino[1 ' ,6':1 ,2]pirido[3,4-b]indol-5-inio (Compuesto 24), para la elaboración de un medicamento. Another aspect of the present invention relates to the use of the compound selected from 2,3-diethyl-1 O-methoxy-12- (3-iodopropyl) pyridazino iodide [1 ', 6': 1, 2] pyrido [3 , 4b] indole-5-inium (Compound 23) and 12-carboxymethyl-2,3-diethyl-10-methoxypyridazino bromide [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inium (Compound 24), for the preparation of a medicine.
Las composiciones farmacéuticas o medicamentos descritos en la presente invención se pueden administrar mediante cualquier preparación farmacéutica apropiada y conocida por cualquier experto en la materia, como ejemplos de preparaciones farmacéuticas se incluye cualquier composición sólida (comprimidos, píldoras, cápsulas, gránulos, etc.) o líquida (geles, soluciones, suspensiones o emulsiones) para administración oral, nasal, tópica o parenteral. Preferiblemente la administración será vía oral o parenteral (inyectable). The pharmaceutical compositions or medicaments described in the present invention can be administered by any appropriate pharmaceutical preparation known to any person skilled in the art, as examples of pharmaceutical preparations any solid composition is included (tablets, pills, capsules, granules, etc.) or liquid (gels, solutions, suspensions or emulsions) for oral, nasal, topical or parenteral administration. Preferably the administration will be oral or parenteral (injectable).
5 En otro aspecto, la presente invención se refiere a un método para inhibición de la producción de TNF-a o para el tratamiento o prevención de enfermedades inflamatorias, más particularmente de las descritas anteriormente , en un mamífero, preferiblemente un humano, que comprende la administración de una cantidad terapéuticamente efectiva de al menos un compuesto de fórmula (1) o (111). In another aspect, the present invention relates to a method for inhibiting the production of TNF-a or for the treatment or prevention of inflammatory diseases, more particularly those described above, in a mammal, preferably a human, comprising the administration of a therapeutically effective amount of at least one compound of formula (1) or (111).
10 Preferiblemente, la administración de la composición se puede realizar por vía oral, o parenteral (inyectable). Preferably, the administration of the composition can be performed orally, or parenterally (injectable).
En el sentido utilizado en esta descripción, el término "cantidad terapéuticamente efectiva" se refiere a la cantidad de la composición calculada para producir el efecto In the sense used in this description, the term "therapeutically effective amount" refers to the amount of the composition calculated to produce the effect.
15 deseado y, en general, vendrá determinada, entre otras causas, por las características propias de la composición, la edad, estado y antecedentes del paciente, la severidad de la enfermedad, y de la ruta y frecuencia de administración. 15 desired and, in general, will be determined, among other causes, by the characteristics of the composition, the age, condition and history of the patient, the severity of the disease, and the route and frequency of administration.
Los compuestos descritos en la presente invención, de fórmula (1 ) o (111 ), se forman The compounds described in the present invention, of formula (1) or (111), are formed
20 como sales biológica y farmacéuticamente aceptables. Las formas de sales útiles son los haluros, particularmente el yoduro, bromuro y el cloruro, tosilatos, metanosulfonatos, brosilatos, fumaratos, maleatos, succinatos, acetatos, sales de mesitilensulfonato, y similares. Otras sales relacionadas se pueden formar utilizando de forma similar aniones no tóxicos que son biológica y farmacéuticamente 20 as biologically and pharmaceutically acceptable salts. Useful salt forms are halides, particularly iodide, bromide and chloride, tosylates, methanesulfonates, brosylates, fumarates, maleates, succinates, acetates, mesitylenesulfonate salts, and the like. Other related salts can be formed using similar non-toxic anions that are biologically and pharmaceutically
25 aceptables. 25 acceptable.
El término "alquilo" se refiere en la presente invención a cadenas alifáticas, lineales o ramificadas, que tienen de 1 a 20 átomos de carbono, por ejemplo, metilo, etilo, npropilo, i-propilo, n-butilo, terc-butilo, sec-butilo, n-pentilo. Preferiblemente el grupo The term "alkyl" refers in the present invention to aliphatic, linear or branched chains, having 1 to 20 carbon atoms, for example, methyl, ethyl, n-propyl, i-propyl, n-butyl, tert-butyl, sec-butyl, n-pentyl. Preferably the group
30 alquilo tiene entre 1 y 10, Y más preferiblemente entre 1 y 4, átomos de carbono. Los grupos alquilo pueden estar opcionalmente sustituidos por uno o más sustituyentes tales como halógeno, hidroxilo, azida, ácido carboxílico arilo, hidroxilo, amino, amido, éster, éter, tiol, acilamino o carboxamido, que a su vez pueden opcionalmente estar sustituidos. Preferiblemente el grupo alquilo no está sustituido. Alkyl has between 1 and 10, and more preferably between 1 and 4, carbon atoms. The alkyl groups may be optionally substituted by one or more substituents such as halogen, hydroxyl, azide, aryl carboxylic acid, hydroxyl, amino, amido, ester, ether, thiol, acylamino or carboxamide, which in turn may optionally be substituted. Preferably the alkyl group is not substituted.
El término "alquenilo" se refiere en la presente invención a un radical alquilo, tal y como se ha definido anteriormente, y que tiene en su cadena al menos un doble enlace carbono-carbono. The term "alkenyl" refers in the present invention to an alkyl radical, as defined above, and which has at least one carbon-carbon double bond in its chain.
El término "alquinilo" se refiere en la presente invención a un radical alquilo, tal y como se ha definido anteriormente, y que tiene en su cadena al menos un triple enlace carbono-carbono. The term "alkynyl" refers in the present invention to an alkyl radical, as defined above, and which has at least one carbon-carbon triple bond in its chain.
El término "cicloalquilo" se refiere, en la presente invención, a un radical de cadena carbocíclica saturada y que consiste en átomos de carbono, entre 3 y 6, más preferiblemente 5 o 6. Puede estar opcionalmente sustituido con 1 o más sustituyentes del grupo formado por alquilo, hidroxi, nitro, amino, halógeno, arilo o aralquilo. The term "cycloalkyl" refers, in the present invention, to a saturated carbocyclic chain radical consisting of carbon atoms, between 3 and 6, more preferably 5 or 6. It may be optionally substituted with 1 or more substituents of the group formed by alkyl, hydroxy, nitro, amino, halogen, aryl or aralkyl.
El término "a rilo" se refiere en la presente invención a una cadena carbocíclica aromática, que tiene de 5 a 18 átomos de carbono, pudiendo ser de anillo único ó múltiple, en este último caso con anillos separados y/o condensados. Un ejemplo, no limitante, de arilo es un grupo fenilo, naftilo, indenilo, furilo etc ...EI grupo arilo puede estar opcionalmente sustituido por al menos un grupo seleccionado de entre un hidroxilo, éster, carboxilo, alquilo o halógeno. The term "a rile" refers in the present invention to an aromatic carbocyclic chain, having from 5 to 18 carbon atoms, being able to be single or multiple ring, in the latter case with separate and / or condensed rings. A non-limiting example of aryl is a phenyl, naphthyl, indenyl, furyl group etc ... The aryl group may be optionally substituted by at least one group selected from a hydroxyl, ester, carboxyl, alkyl or halogen.
El término "aralquilo" se refiere, en la presente invención, a una cadena alifática de entre 1 y 5 átomos de carbono en la que al menos uno de los hidrógenos se ha sustituido por un grupo arilo, con las acepciones anteriores, como por ejemplo, pero sin limitarse, un grupo bencilo o fenetilo. Estos grupos aralquilo pueden, a su vez, estar opcionalmente sustituidos por un grupo alquilo, hidroxi, nitro, amino o halógeno. Preferiblemente es un grupo bencilo, opcionalmente sustituido, y más preferiblemente es un grupo bencilo que no está sustituido. The term "aralkyl" refers, in the present invention, to an aliphatic chain of between 1 and 5 carbon atoms in which at least one of the hydrogens has been replaced by an aryl group, with the above meanings, as for example , but not limited to, a benzyl or phenethyl group. These aralkyl groups may, in turn, be optionally substituted by an alkyl, hydroxy, nitro, amino or halogen group. Preferably it is an optionally substituted benzyl group, and more preferably it is an unsubstituted benzyl group.
El término "heteroarilo" se refiere, en la presente invención, a un radical de cadena carbocíclica (mono-o bicíclicos) y que consiste en átomos de carbono, entre 3 y 6, más preferiblemente 5 o 6, donde al menos un átomo de carbono es sustituido por un heteroátomo seleccionado del grupo que consiste en nitrógeno, oxígeno o azufre. Esta cadena carbocíclica puede estar insaturada o parcialmente saturada. Puede estar opcionalmente sustituida por 1 °más sustituyentes del grupo formado por alquilo, hidroxi, nitro, amino, halógeno, arilo o aralquilo. The term "heteroaryl" refers, in the present invention, to a carbocyclic chain radical (mono- or bicyclic) and consisting of carbon atoms, between 3 and 6, more preferably 5 or 6, where at least one atom of Carbon is replaced by a heteroatom selected from the group consisting of nitrogen, oxygen or sulfur. This carbocyclic chain may be unsaturated or partially saturated. It may be optionally substituted by 1 ° more substituents of the group consisting of alkyl, hydroxy, nitro, amino, halogen, aryl or aralkyl.
A lo largo de la descripción y las reivindicaciones la palabra "comprende" y sus variantes no pretenden excluir otras características técnicas, aditivos, componentes o pasos. Para los expertos en la materia, otros objetos, ventajas y características de la invención se desprenderán en parte de la descripción y en parte de la práctica de la Throughout the description and the claims the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and features of the invention will be derived partly from the description and partly from the practice of the
5 invención. Los siguientes ejemplos y figuras se proporcionan a modo de ilustración, y no se pretende que sean limitativos de la presente invención. 5 invention. The following examples and figures are provided by way of illustration, and are not intended to be limiting of the present invention.
BREVE DESCRIPCiÓN DE LAS FIGURAS BRIEF DESCRIPTION OF THE FIGURES
10 Fig. 1. Viabilidad celular de la línea promonocítica humana THP-1 preincubada durante 24 horas con concentraciones crecientes de algunos compuestos de las Fórmulas (1) y 10 Fig. 1. Cell viability of the human promonocytic THP-1 line preincubated for 24 hours with increasing concentrations of some compounds of Formulas (1) and
(111) en presencia o ausencia de 100 ng/ml de LPS. (111) in the presence or absence of 100 ng / ml of LPS.
Fig. 2. Efecto de algunos compuestos de Fórmulas (1) y (111) en la producción de TNF-a. 15 inducida por LPS (100 ng/ml) en la línea celular promonocítica humana THP-1. Fig. 2. Effect of some compounds of Formulas (1) and (111) on the production of TNF-a. 15 induced by LPS (100 ng / ml) in the human promonocytic cell line THP-1.
Fig. 3. Efecto del compuesto 17 sobre la producción de TNF-a inducida por LPS (10 ng/ml) en células mononucleares de sangre periférica (PBMCs) humanas. Fig. 3. Effect of compound 17 on the production of TNF-a induced by LPS (10 ng / ml) in human peripheral blood mononuclear cells (PBMCs).
20 Fig. 4. Efecto del compuesto 17 sobre la producción de TNF-a. inducida por LPS (10 ng/ml) en monocitos humanos aislados de sangre periférica. 20 Fig. 4. Effect of compound 17 on the production of TNF-a. induced by LPS (10 ng / ml) in human monocytes isolated from peripheral blood.
Fig. 5. Inhibición de la producción de TNF-a. inducida por LPS (100 ng/ml) en células THP-1 por el compuesto 17 y cálculo de la ICso (4,49 Jl-M) en células THP-1 . 25 Fig. 5. Inhibition of TNF-a production. induced by LPS (100 ng / ml) in THP-1 cells by compound 17 and calculation of ICso (4.49 Jl-M) in THP-1 cells. 25
Fig. 6. Inhibición de la producción de TNF-a inducida por LPS (10 ng/ml) en PBMCs humanos por el compuesto 17 y cálculo de la ICso (3,91 ~M) en PBMCs. Fig. 6. Inhibition of LPS-induced TNF-a production (10 ng / ml) in human PBMCs by compound 17 and calculation of ICso (3.91 ~ M) in PBMCs.
Fig. 7. Inhibición de la producción de TNF-(l inducida por LPS (10 ng/ml) en monocitos 30 (leucocitos CD14+) humanos por el compuesto 17 y cálculo de la ICso (3,22 ).1M) en monocitos aislados. Fig. 7. Inhibition of the production of TNF- (l induced by LPS (10 ng / ml) in human monocytes 30 (CD14 + leukocytes) by compound 17 and calculation of ICso (3.22) .1M) in isolated monocytes .
Fig. 8. Análisis del efecto de la administración "in vivo" del compuesto 17. Fig. 8. Analysis of the effect of "in vivo" administration of compound 17.
EJEMPLOS EXAMPLES
Los compuestos de esta invención que han sido publicados, se han preparado según los procedimientos descritos anteriormente para ellos (Fontana, A.; Benito, E. J.; 5 Martín, M. J. ; Sánchez, N.; Alajarín, R.; Vaquero, J. J.; Álvarez-Builla, J.; Lambel Giraudet, S.; Leonce, S.; Pierré, A.; Caignard, D. Bioorg. Med. Chem. Lett. 2002, 11, 2611-2614; Pastor, J.; Siro, J. G.; García-Navío, J. L.; Vaquero, J. J.; Rodrigo, M. M.; Ballesteros, M.; Álvarez-Builla, J. Bioorg. Med. Chem. Lett. 1995, 5, 3043-3048; Siro, J. G.; Pastor, J.; García-Navío, J. L.; Vaquero, J. J.; Álvarez-Builla, J.; Gago, F.; de Compounds of this invention that have been published have been prepared according to the procedures described above for them (Fontana, A .; Benito, E. J .; 5 Martín, M. J.; Sánchez, N .; Alajarín, R .; Cowboy, J. J .; Álvarez-Builla, J .; Lambel Giraudet, S .; Leonce, S .; I lost, A .; Caignard, D. Bioorg. Med. Chem. Lett. 2002, 11, 2611-2614; Pastor, J .; Siro, J. G .; García-Navío, J. L .; Cowboy, J. J .; Rodrigo, M. M .; Ballesteros, M .; Álvarez-Builla, J. Bioorg. Med. Chem. Lett. 1995, 5, 3043-3048; Siro, J. G .; Pastor, J .; García-Navío, J. L .; Cowboy, J. J .; Álvarez-Builla, J .; Gago, F .; from
10 Pascual-Teresa, B.; Pastor, M.; Rodrigo, M. M. J. Org. Chem. 1997, 62, 5476-5483; Siro, J. G.; Pastor, J.; García-Navío, J. L.; Vaquero, J. J.; Álvarez-Builla, J. Tetrahedron 1998, 54, 19229-1936; Enrique J. Benito Molinero, Tesis Doctoral, Universidad de Alcalá, 2004). Para otros compuestos, se han aplicado procedimientos similares a los descritos en esta invención. 10 Pascual-Teresa, B .; Pastor, M .; Rodrigo, M. M. J. Org. Chem. 1997, 62, 5476-5483; Siro, J. G .; Pastor, J .; García-Navío, J. L .; Cowboy, J. J .; Álvarez-Builla, J. Tetrahedron 1998, 54, 19229-1936; Enrique J. Benito Molinero, Doctoral Thesis, University of Alcalá, 2004). For other compounds, procedures similar to those described in this invention have been applied.
Esquema 1. Proceso de sintesis de los compuestos 2 a 8. Scheme 1. Synthesis process of compounds 2 to 8.
MSTS MSTS
Q::GN __8r~N "$"~B, ~:~::, _3A_."""iOO~~ B, Q :: GN __8r ~ N "$" ~ B, ~: ~ ::, _3A _. "" "IOO ~~ B,
Br~~ ___ ____Br ~~ ___ ____
N N
H CH, H CH, H CH, H CH,
H CH, "H CH, "
" "
, " I HNO,conc . , "I HNO, conc.
y Y
MSTS · MSTS
20 Ejemplo 1. Preparación de 6-bromo-1-metilpirido[3,4-b]indol (Compuesto 2, Esquema 1) A una disolución de harmano 1 (0,20 g; 1,1 mmol) en THF (tetrahidro!urano) (10 mL), se añade bromo (0,70 g; 4,4 mmol) con agitación vigorosa a temperatura ambiente durante 2 horas. A continuación, se adiciona una alícuota de tiosulfato sódico (10 %; Example 1. Preparation of 6-Bromo-1-methylpyrido [3,4-b] indole (Compound 2, Scheme 1) To a solution of harmano 1 (0.20 g; 1.1 mmol) in THF (tetrahydro! urane) (10 mL), bromine (0.70 g; 4.4 mmol) is added with vigorous stirring at room temperature for 2 hours. Next, an aliquot of sodium thiosulfate (10%;
25 10 mL), se basifica la mezcla con hidróxido amónico concentrado, se extrae y se lava con diclorometano (3 x 10 mL). La fase orgánica se concentra, purificándose el residuo 10 mL), the mixture is basified with concentrated ammonium hydroxide, extracted and washed with dichloromethane (3 x 10 mL). The organic phase is concentrated, the residue being purified
obtenido por cromatografía en columna de gel de sílice empleando como eluyente una mezcla diclorometano:metanol (10:1). Se aísla el producto como un sólido verde (0,19 g; 66%). obtained by silica gel column chromatography using as eluent a dichloromethane: methanol mixture (10: 1). The product is isolated as a green solid (0.19 g; 66%).
P. f. = 224-226 oC. 'H-RMN (300 MHz; COCI,): 0 8,19 (d, 1 H, J = 5,5 Hz); 8,15 (d, 1H, J = 2,0 Hz); 7,68 (d, 1 H, J = 5,6 Hz); 7,55 (dd, 1 H, J = 8,7 Hz, J = 1,9 Hz); 7,37 (d, 1H, J = 8,7 Hz); 2,74 (s, 3H) ppm. "C-RMN (75 MHz; COCI,): o142,1; 139,2; 137,0; 135,0; 130,7; 127,0; 124,1; 123,0; 113,1; 112,8; 112,0; 19,2 ppm. IR (vm", KBr): 3141 ; 3051 ; 2954; 2865; 1621; 1569; 1492; 1439; 1406; 1272; 1247; 977; 821; 800; 607 cm". P. f. = 224-226 oC. 'H-NMR (300 MHz; COCI,): 0 8.19 (d, 1 H, J = 5.5 Hz); 8.15 (d, 1H, J = 2.0 Hz); 7.68 (d, 1 H, J = 5.6 Hz); 7.55 (dd, 1 H, J = 8.7 Hz, J = 1.9 Hz); 7.37 (d, 1H, J = 8.7 Hz); 2.74 (s, 3H) ppm. "C-NMR (75 MHz; COCI,): o142.1; 139.2; 137.0; 135.0; 130.7; 127.0; 124.1; 123.0; 113.1; 112, 8; 112.0; 19.2 ppm. IR (vm ", KBr): 3141; 3051; 2954; 2865; 1621; 1569; 1492; 1439; 1406; 1272; 1247; 977; 821; 800; 607 cm. "
Ejemplo 2. Preparación de mesitilensulfonato de 2-amino-6-bromo-1-metil pirido[3,4-b]indol-2-inio (Compuesto 3, Esquema 1) Sobre una disolución de 2 (0,26 g; 1 mmol) en diclorometano (10 mL), con agitación vigorosa a temperatura ambiente, se añade gota a gota una disolución de Q Example 2. Preparation of 2-amino-6-bromo-1-methyl mesitylenesulfonate pyrido [3,4-b] indole-2-inium (Compound 3, Scheme 1) On a solution of 2 (0.26 g; 1 mmol) in dichloromethane (10 mL), with stirring vigorous at room temperature, a solution of Q is added dropwise
mesitilensulfonato de hidroxilamina (MSH) (0,30 g; 1,4 mmol) en dielorometano (5 mL). Hydroxylamine mesitylenesulfonate (MSH) (0.30 g; 1.4 mmol) in dieloromethane (5 mL).
Al cabo de 1 hora, se añade éter dietílico para facilitar la precipitación de la sal formada. Se filtra y se lava sucesivamente con diclorometano (2 x 5 mL) y acetona (2 x 5 mL), recristalizándose posteriormente en etanol. Se obtiene el producto como un sólido amarillo (0,38 g; 80%). After 1 hour, diethyl ether is added to facilitate precipitation of the salt formed. Filter and wash successively with dichloromethane (2 x 5 mL) and acetone (2 x 5 mL), then recrystallized from ethanol. The product is obtained as a yellow solid (0.38 g; 80%).
P. f. = 253-255 oC. ' H-RMN (300 MHz; OMSO-d,): o12,91 (s, 1H, NH); 8,71 (d, 1 H, J = 1,8 Hz); 8,54 (s, 2H, NH); 7,89-7,81 (m, 3H); 7,70 (dd, 1H, J = 8,8 Hz, J = 3,0 Hz); 6,70 (s, 2H); 2,98 (s, 3H); 2,46 (s, 6H); 2,13 (s, 3H) ppm. IR (vm", KBr): 3258; 3151 ; 3082; 1638; 1484; 1451; 1281; 1166; 1088; 1016; 808; 681 cm". P. f. = 253-255 oC. 'H-NMR (300 MHz; OMSO-d,): o12.91 (s, 1H, NH); 8.71 (d, 1 H, J = 1.8 Hz); 8.54 (s, 2H, NH); 7.89-7.81 (m, 3H); 7.70 (dd, 1H, J = 8.8 Hz, J = 3.0 Hz); 6.70 (s, 2 H); 2.98 (s, 3 H); 2.46 (s, 6H); 2.13 (s, 3H) ppm. IR (vm ", KBr): 3258; 3151; 3082; 1638; 1484; 1451; 1281; 1166; 1088; 1016; 808; 681 cm".
Ejemplo 3. Preparación de mesitilensulfonato de 8-bromo-2,3-dietil-11 Hpiridazino[1',6':1,2] pirido[3,4-b]indol-5-inio (Compuesto 4, Esquema 1) A una disolución de 3 (0,24 g; 0,5 mmol) en etanol (20 mL), se añade 3,4-hexadiona Example 3. Preparation of 8-bromo-2,3-diethyl-11 H-pyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5-inium (Compound 4, Scheme 1) To a solution of 3 (0.24 g; 0.5 mmol) in ethanol (20 mL), 3,4-hexadione is added
(0,07 g; 0,6 mmol) y TEA (trietilamina) (0,06 g; 0,6 mmol). La mezcla de reacción se (0.07 g; 0.6 mmol) and TEA (triethylamine) (0.06 g; 0.6 mmol). The reaction mixture is
calienta a reflujo durante 3 horas y se concentra a sequedad. El residuo obtenido se purifica por cromatografía en columna en gel de sílice empleando como eluyente diclorometano:metanol (10:1). Se obtiene un sólido amarillo (0,17 g; 62%). Heat at reflux for 3 hours and concentrate to dryness. The residue obtained is purified by column chromatography on silica gel using dichloromethane: methanol (10: 1) as eluent. A yellow solid is obtained (0.17 g; 62%).
P. f. = 216-218 oC. ' H-RMN (300 MHz; OMSO-d,): o13,67 (s, 1H, NH); 9,27 (d, 1H, J = 7,3 Hz); 8,99 (s, 1H); 8,90 (d, 1H, J= 6,9 Hz); 8,83 (s, 1H); 7,87 (s,p, 2H); 6,70 (s, 2H); 3,17 (e, 2H, J = 7,4 Hz); 3,01 (e, 2H, J = 7,0 Hz); 2,46 (s, 6H); 2,13 (s, 3H); 1,44 (t, 3H, J = 7,0 Hz); 1,40 (t, 3H, J = 7,0 Hz) ppm. " C-RMN (75 MHz; COCI, + CO,OO): o163,7; 154,0; 143,4; 142,4; 140,5; 136,4; 135,9; 132,5; 130,7; 130,6; 129,9; 128,9; 125,0; 124,3; 121,6; 117,3; 115,0; 114,0; 25,9; 23,9; 22,7; 20,3; 11,2; 10,4 ppm. IR (Vm", KBr): 3412; 2968; 2932; 1638; 1566; 1521 ; 1450; 1324; 1283; 1226; 1160; 1084; 1008; P. f. = 216-218 oC. 'H-NMR (300 MHz; OMSO-d,): o13.67 (s, 1H, NH); 9.27 (d, 1H, J = 7.3 Hz); 8.99 (s, 1 H); 8.90 (d, 1H, J = 6.9 Hz); 8.83 (s, 1 H); 7.87 (s, p, 2H); 6.70 (s, 2 H); 3.17 (e, 2H, J = 7.4 Hz); 3.01 (e, 2H, J = 7.0 Hz); 2.46 (s, 6H); 2.13 (s, 3 H); 1.44 (t, 3H, J = 7.0 Hz); 1.40 (t, 3H, J = 7.0 Hz) ppm. "C-NMR (75 MHz; COCI, + CO, OO): o163.7; 154.0; 143.4; 142.4; 140.5; 136.4; 135.9; 132.5; 130, 7; 130.6; 129.9; 128.9; 125.0; 124.3; 121.6; 117.3; 115.0; 114.0; 25.9; 23.9; 22.7; 20.3; 11.2; 10.4 ppm. IR (Vm ", KBr): 3412; 2968; 2932; 1638; 1566; 1521; 1450; 1324; 1283; 1226; 1160; 1084; 1008;
675 cm-1. Análisis elemental: Calculado para C27H2SN30 3SBr·1H20 ; C: 56,45; H: 5,61 ; 675 cm-1. Elemental analysis: Calculated for C27H2SN30 3SBr · 1H20; C: 56.45; H: 5.61;
N: 7,32; encontrado: C: 56,12; H: 5,47; N: 7,87. N: 7.32; Found: C: 56.12; H: 5.47; N: 7.87.
Ejemplo 4. Preparación de 1-metil-8-nitropirido[3,4-b]indol (Compuesto 5, Esquema 1) Sobre ácido nítrico concentrado 60% (12 mL) se adiciona harmano 1 (0,91 g; 5 mmol) manteniendo la temperatura a O oC, y agitación vigorosa durante 2 horas, tras las cuales, se aumenta la temperatura hasta disolver la suspensión blanca, manteniendo la agitación 30 minutos más. Se añade agua/hielo a la suspensión y se basifica con carbonato potásico, filtrando el precipitado sólido obtenido. Tras cromatografiar en columna de siliea gel empleando como eluyente una mezcla diclorometano:metanol (20:1), se aísla el compuesto como un sólido amarillo (0,37 g; 33%). Example 4. Preparation of 1-methyl-8-nitropyrid [3,4-b] indole (Compound 5, Scheme 1) On 60% concentrated nitric acid (12 mL), harmano 1 (0.91 g; 5 mmol) is added maintaining the temperature at O oC, and vigorous stirring for 2 hours, after which, the temperature is increased until the white suspension is dissolved, maintaining the stirring for 30 more minutes. Water / ice is added to the suspension and basified with potassium carbonate, filtering the solid precipitate obtained. After column chromatography of siliea gel using a dichloromethane: methanol mixture (20: 1) as eluent, the compound is isolated as a yellow solid (0.37 g; 33%).
P. f. = 215-217 oC. ' H-RMN (300 MHz; CDCI, ): o9,93 (s, 1H, NH); 8,47-8,42 (m, 3H); 7,82 (d, 1 H, J = 5,1 Hz); 7,37 (t", 1 H, J = 8,1 Hz, J = 7,7 Hz); 2,89 (s, 3H) ppm. " CRMN (75 MHz; CDCI, + CD,OD): o 142,9; 139,5; 134,4; 133,4; 132,6; 129,1; 127,4; 125,6; 124,3; 119,3; 112,8; 19,7 ppm. IR (vm,,, KBr): 3378; 3091; 1635; 1574; 1475; 1430; 1340; 1305; 1266; 1205; 1180; 803; 737 cm·'. P. f. = 215-217 oC. 'H-NMR (300 MHz; CDCI,): o9.93 (s, 1H, NH); 8.47-8.42 (m, 3H); 7.82 (d, 1 H, J = 5.1 Hz); 7.37 (t ", 1 H, J = 8.1 Hz, J = 7.7 Hz); 2.89 (s, 3H) ppm." CRMN (75 MHz; CDCI, + CD, OD): or 142.9; 139.5; 134.4; 133.4; 132.6; 129.1; 127.4; 125.6; 124.3; 119.3; 112.8; 19.7 ppm IR (vm ,,, KBr): 3378; 3091; 1635; 1574; 1475; 1430; 1340; 1305; 1266; 1205; 1180; 803; 737 cm
Ejemplo 5. Preparación de mesitilensulfonato de 2-amino-1-metil-8nitropirido[3,4-b]indol-2-inio (Compuesto 6, Esquema 1) Sobre una disolución de 5 (0,22 g; 1 mmol) en diclorometano (10 mL), con agitación vigorosa a temperatura ambiente, se añade gota a gota una disolución de MSH (0,30 g; 1,4 mmol) en diclorometano (5 mL). Al cabo de 1 hora, se añade éter dietílico para facilitar la precipitación total de la sal aminada formada . Se filtra y se lava sucesivamente con diclorometano (2 x 5 mL) y acetona (2 x 5 mL), recristalizándose posteriormente en etanol. Se obtiene un sólido amarillo (0,36 g; 82%). Example 5. Preparation of 2-amino-1-methyl-8-nitropyrid [3,4-b] indole-2-inium mesitylenesulfonate (Compound 6, Scheme 1) On a solution of 5 (0.22 g; 1 mmol) in dichloromethane (10 mL), with vigorous stirring at room temperature, a solution of MSH (0.30 g; 1.4 mmol) in dichloromethane (5 mL) is added dropwise. After 1 hour, diethyl ether is added to facilitate total precipitation of the aminated salt formed. Filter and wash successively with dichloromethane (2 x 5 mL) and acetone (2 x 5 mL), then recrystallized from ethanol. A yellow solid is obtained (0.36 g; 82%).
P. f. = 289-291 oC. ' H-RMN (300 MHz; CD,OD): o8,80 (d, 1H, J = 7,8 Hz); 8,70 (d, 1H, J = 7,9 Hz); 8,63-8,54 (m, 2H); 7,64 (t, 1 H, J = 8,0 Hz); 6,80 (s, 2H); 3,24 (s, 3H); 2,57 (s, 6H); 2,19 (s, 3H) ppm. IR (vm", KBr): 3229; 3090; 1689; 1624; 1523; 1486; 1390; 1310; 1289; 1181 ; 1086; 1015; 845; 748; 680 cm·'. P. f. = 289-291 oC. 'H-NMR (300 MHz; CD, OD): o.80.80 (d, 1H, J = 7.8 Hz); 8.70 (d, 1H, J = 7.9 Hz); 8.63-8.54 (m, 2H); 7.64 (t, 1 H, J = 8.0 Hz); 6.80 (s, 2 H); 3.24 (s, 3 H); 2.57 (s, 6H); 2.19 (s, 3H) ppm. IR (vm ", KBr): 3229; 3090; 1689; 1624; 1523; 1486; 1390; 1310; 1289; 1181; 1086; 1015; 845; 748; 680 cm · '.
Ejemplo 6. Preparación de mesitilensulfonato de 2,3-dietil-12H-11-nitroExample 6. Preparation of 2,3-diethyl-12H-11-nitro mesitylenesulfonate
piridazino[l' ,6':1,2]pirido[3,4-b]indol-5-inio (Compuesto 7, Esquema 1) pyridazino [l ', 6': 1,2] pyrido [3,4-b] indole-5-inium (Compound 7, Scheme 1)
A una disolución de 6 (0,22 g; 0,5 mmol) en etanol (20 mL), se añade 3,4-hexadiona (0,07 g; 0,6 mmol) y TEA (0,06 g; 0,6 mmol). La mezcla de reacción se calienta a reflujo durante 3 horas, se concentra a sequedad y el residuo obtenido se purifica por cromatografía en columna de gel de sílice empleando como eluyente una mezcla diclorometano:metanol (10:1). Se obtiene un sólido amarillo (0,10 g; 40%). To a solution of 6 (0.22 g; 0.5 mmol) in ethanol (20 mL), 3,4-hexadione (0.07 g; 0.6 mmol) and TEA (0.06 g; 0 , 6 mmol). The reaction mixture is heated at reflux for 3 hours, concentrated to dryness and the residue obtained is purified by silica gel column chromatography using as eluent a dichloromethane: methanol mixture (10: 1). A yellow solid is obtained (0.10 g; 40%).
P. f. = 198-200 oC. 'H-RMN (300 MHz; CO,OO): ¡; 9,60 (s, lH); 9,13 (d, lH, J = 7,6 Hz); 8,84-8,78 (m, 2H); 8,68 (d, lH, J = 7,8 Hz); 7,63 (t, lH, J = 8,1 Hz); 6,86 (s, 2H); 3,22 (e, 2H, J = 7,0 Hz); 3,08 (e, 2H, J = 7,0 Hz); 2,58 (s, 6H); 2,20 (s, 3H); 1,60 (t, 3H, J = 7,3 Hz); 1,52 (t, 3H , J = 7,3 Hz) ppm. " C-RMN (75 MHz; CO,OO): ¡; 164,7; 155,6; 144,7; 136,9; 136,6; 134,5; 132,8; 132,6; 132,0; 131 ,5; 130,6; 127,2; 126,6; 125,3; 122,0; 118,8; 118,2; 108,7; 26,9; 25,1; 23,7; 21,1; 13,1; 11,7 ppm. IR (vm,,, KBr): 3126; 2976; 2938; 1687; 1617; 1566; 1468; 1425; 1317; 1252; 1206; 1177; 1104; 801 ; 738 P. f. = 198-200 oC. 'H-NMR (300 MHz; CO, OO): ¡; 9.60 (s, lH); 9.13 (d, lH, J = 7.6 Hz); 8.84-8.78 (m, 2H); 8.68 (d, lH, J = 7.8 Hz); 7.63 (t, lH, J = 8.1 Hz); 6.86 (s, 2H); 3.22 (e, 2H, J = 7.0 Hz); 3.08 (e, 2H, J = 7.0 Hz); 2.58 (s, 6H); 2.20 (s, 3 H); 1.60 (t, 3H, J = 7.3 Hz); 1.52 (t, 3H, J = 7.3 Hz) ppm. "C-NMR (75 MHz; CO, OO): ¡; 164.7; 155.6; 144.7; 136.9; 136.6; 134.5; 132.8; 132.6; 132.0 ; 131, 5; 130.6; 127.2; 126.6; 125.3; 122.0; 118.8; 118.2; 108.7; 26.9; 25.1; 23.7; 21 , 1; 13.1; 11.7 ppm IR (vm ,,, KBr): 3126; 2976; 2938; 1687; 1617; 1566; 1468; 1425; 1317; 1252; 1206; 1177; 1104; 801; 738
cm-l. Análisis elemental: Calculado para C27H2SN40SS·2H20; C: 58,26; H: 5,80; N: 10,07; encontrado: C: 57,73; H: 5,72; N: 10,40. cm-l. Elemental analysis: Calculated for C27H2SN40SS · 2H20; C: 58.26; H: 5.80; N: 10.07; Found: C: 57.73; H: 5.72; N: 10.40.
Ejemplo 7. Preparación de dicloruro de 11-amonio-2,3-dietil-12HExample 7. Preparation of 11-ammonium-2,3-diethyl-12H dichloride
piridazino[l' ,6':1 ,2] pirido[3,4-b]indol-5-inio (Compuesto 8, Esquema 1) Una suspensión de 7 (0,10 g; 0,2 mmol), SnCI,·2H,O (0,2 g; 0,8 mmol) y HCI (35%, pyridazino [l ', 6': 1, 2] pyrido [3,4-b] indole-5-inium (Compound 8, Scheme 1) A suspension of 7 (0.10 g; 0.2 mmol), SnCI, 2H, O (0.2 g; 0.8 mmol) and HCI (35%,
0,5 mL) en agua (2 mL), se calienta a reflujo durante 2 horas, tras lo cual, se añade a la mezcla Hel (35%, 0,2 ml). El precipitado obtenido se filtra y se lava sucesivamente con Hel (10%, 1 mL) y éter dietílico (2 x 10 mL). Se obtiene el producto como un sólido amarillo (0,05 g; 71%). 0.5 mL) in water (2 mL), heated at reflux for 2 hours, after which, Hel (35%, 0.2 ml) is added to the mixture. The precipitate obtained is filtered and washed successively with Hel (10%, 1 mL) and diethyl ether (2 x 10 mL). The product is obtained as a yellow solid (0.05 g; 71%).
P. f. = 266-268 oC. 'H-RMN (300 MHz; OMSO-d,): ¡; 9,24 (s, lH); 9,05 (d, lH, J = 6,9 Hz); 8,70 (d, lH, J= 6,9 Hz); 7,70 (d, lH, J= 7,8 Hz); 7,21 (t, lH, J = 7,8 Hz); 6,98 (d, 1 H, J = 7,3 Hz); 4,25 (s", 3H , NH ); 3,11 (e, 2H, J = 7,4 Hz); 2,95 (e, 2H, J = 7.0 Hz); 1,46 (t, 3H, J = 6,9 Hz); 1,38 (t, 3H, J = 7,3Hz) ppm. IR (vm.., KBr): 3420; 1627; 1554; 1483; 1414; 1338; 1253; 1238; 1210; 1011; 821; 749 cm·'. Análisis elemental: P. f. = 266-268 oC. 'H-NMR (300 MHz; OMSO-d,): ¡; 9.24 (s, lH); 9.05 (d, lH, J = 6.9 Hz); 8.70 (d, lH, J = 6.9 Hz); 7.70 (d, lH, J = 7.8 Hz); 7.21 (t, lH, J = 7.8 Hz); 6.98 (d, 1 H, J = 7.3 Hz); 4.25 (s ", 3H, NH); 3.11 (e, 2H, J = 7.4 Hz); 2.95 (e, 2H, J = 7.0 Hz); 1.46 (t, 3H, J = 6.9 Hz); 1.38 (t, 3H, J = 7.3Hz) ppm IR (vm .., KBr): 3420; 1627; 1554; 1483; 1414; 1338; 1253; 1238; 1210 ; 1011; 821; 749 cm. '' Elemental analysis:
Calculado para C1sH19N4CI2·3H20; C: 51 ,58; H: 6,28; N: 13,43; encontrado: C: 52,16; Calculated for C1sH19N4CI23H20; C: 51, 58; H: 6.28; N: 13.43; Found: C: 52.16;
H: 6,08; N: 12,78. H: 6.08; N: 12.78.
t3.4-11e. _ . t3.4-11e. _.
HO~N HO ~ N
H CH, H CH,
" """
" " ""
Ejemplo 8. Preparación de 9-N-Boc-harmol (Compuesto 10, Esquema 2) Sobre una disolución de harmal 9 (1 g; 5 mmol) en diclorometano (50 mL), se adiciona Example 8. Preparation of 9-N-Boc-harmol (Compound 10, Scheme 2) On a solution of harmal 9 (1 g; 5 mmol) in dichloromethane (50 mL), add
5 sucesivamente carbonato de di-terbutilo (2,18 g; 10 mmol), TEA (0,50 g; 5 mmol) y DMAP (4-dimetilaminopiridina) (0,61 g; 5 mmol ). Tras dejar la mezcla con agitación a temperatura ambiente durante 24 horas, se elimina el disolvente a vacío, sin llegar a sequedad (20 mL), lavando la mezcla con agua (3 x 10 mL). La fase orgánica se seca con MgS04 anhidro, se concentra a sequedad, purificando el residuo obtenido por 5 successively di-terbutyl carbonate (2.18 g; 10 mmol), TEA (0.50 g; 5 mmol) and DMAP (4-dimethylaminopyridine) (0.61 g; 5 mmol). After leaving the mixture with stirring at room temperature for 24 hours, the solvent is removed in vacuo, without reaching dryness (20 mL), washing the mixture with water (3 x 10 mL). The organic phase is dried with anhydrous MgS04, concentrated to dryness, purifying the residue obtained by
10 cromatografía en columna de gel de sílice, empleando como eluyente diclorometano:metanol (20:1). Se aísla el compuesto como un sólido blanco (1 ,14 g; 77 %). 10 silica gel column chromatography, using dichloromethane: methanol (20: 1) as eluent. The compound is isolated as a white solid (1.14 g; 77%).
P. f. = 167-169 oC. 'H-RMN (300 MHz; CDCI, ): o9,16 (s, lH); 8,29 (d, lH, J = 5,3 Hz); 7,70 (d, 1 H, J = 8,6 Hz); 7,51 (d, 1 H, J = 5,2 Hz); 7,18 (d, 1 H, J = 1,9 Hz); 6,97 (dd, lH, P. f. = 167-169 oC. 'H-NMR (300 MHz; CDCI,): o9.16 (s, lH); 8.29 (d, lH, J = 5.3 Hz); 7.70 (d, 1 H, J = 8.6 Hz); 7.51 (d, 1 H, J = 5.2 Hz); 7.18 (d, 1 H, J = 1.9 Hz); 6.97 (dd, lH,
15 J = 8,5 Hz, J = 2,0 Hz); 2,73 (s, 3H); 1,63 (s, 9H) ppm. " C-RMN (75 MHz; CDCI,): o 153,0; 150,7; 141,7; 140,8; 138,0; 135,4; 127,3; 122,0; 119,4; 113,3; 112,6; 104,5; 84,7; 27,6; 20,4 ppm. IR (vro,,, KBr): 3135; 3066; 2982; 2884; 1755; 1637; 1571; 1450; 1373; 1323; 1282; 1251 ; 1233; 1146; 949; 897; 749 cm·l . Análisis Elemental para C17H18N20 J; C: 68,43; H: 6,08; N: 9,39; encontrado C: 67,99; H: 6,11; N: 8,92. J = 8.5 Hz, J = 2.0 Hz); 2.73 (s, 3 H); 1.63 (s, 9H) ppm. "C-NMR (75 MHz; CDCI): o 153.0; 150.7; 141.7; 140.8; 138.0; 135.4; 127.3; 122.0; 119.4; 113 , 3; 112.6; 104.5; 84.7; 27.6; 20.4 ppm IR (vro ,,, KBr): 3135; 3066; 2982; 2884; 1755; 1637; 1571; 1450; 1373 ; 1323; 1282; 1251; 1233; 1146; 949; 897; 749 cm · l. Elemental Analysis for C17H18N20 J; C: 68.43; H: 6.08; N: 9.39; found C: 67.99 ; H: 6.11; N: 8.92.
Ejemplo 9. Preparación de 7 -benciloxi-9-terc-butoxicarbonil-l-metilpirido[3,4blindol (Compuesto 11, Esquema 2) Example 9. Preparation of 7-benzyloxy-9-tert-butoxycarbonyl-l-methylpyridide [3,4blindole (Compound 11, Scheme 2)
A una suspensión de 10 (0,30 g; 1 mmol), hidróxido potásico pulverizado (0,07 g; 1,2 mmol), carbonato potásico anhidro (0,17 g; 1,2 mmol) y dicloruro de bis(N,N '-bencilN,N '-dietil)-N, N'-(oxidi-2, 1-etanodiil)diamonio (SBDE-el) (0,02 g; 0,05 mmol) en acelonitrilo seco (50 mL) con agitación vigorosa a temperatura ambiente, se adiciona bromuro de bencilo (BrBn)(O,20 g; 1,2 mmol). La suspensión resultante se agita vigorosamente a temperatura ambiente durante 24 horas. Posteriormente se filtra la suspensión y se lavan las sales con acetonitrilo. Las aguas de filtrado y lavado se concentran a sequedad, eliminando el disolvente a presión reducida. El residuo obtenido se purifica por cromatografía en columna de gel de sílice utilizando como eluyente diclorometano:metanol (10:1 ). El producto se obtiene como un sólido amarillo At a suspension of 10 (0.30 g; 1 mmol), powdered potassium hydroxide (0.07 g; 1.2 mmol), anhydrous potassium carbonate (0.17 g; 1.2 mmol) and bis (N dichloride) , N'-benzylN, N'-diethyl) -N, N '- (oxidi-2, 1-ethanediyl) diamonium (SBDE-el) (0.02 g; 0.05 mmol) in dry acelonitrile (50 mL) With vigorous stirring at room temperature, benzyl bromide (BrBn) (O, 20 g; 1.2 mmol) is added. The resulting suspension is vigorously stirred at room temperature for 24 hours. The suspension is then filtered and the salts are washed with acetonitrile. The filtering and washing waters are concentrated to dryness, removing the solvent under reduced pressure. The residue obtained is purified by silica gel column chromatography using dichloromethane: methanol (10: 1) as eluent. The product is obtained as a yellow solid
pálido (0,30 g; 77 %). pale (0.30 g; 77%).
P. f. = 180-182 oC. 'H-RMN (300 MHz; CDCI, ): ¡; 8,33 (d, 1H, J = 5,5 Hz); 8,10 (d, 1H, J =8,4 Hz); 7,82 (d, 1H, J =5,1 Hz); 7,29-7,22 (m, 3H); 7,16 (d, 1H, J =1,8 Hz); 7,11 (dd, 1H, J = 8,4 Hz, J = 2,0 Hz); 6,99-6,95 (m, 2H); 5,73 (s, 2H); 2,84 (s, 3H); 1,60 (s, 9H) ppm. "C-RMN (75 MHz; CDCI, ): ¡; 151,7; 151,5; 142,2; 141,5; 138,6; 137,5; 136,0; 128,9; 128,7; 127,4; 125,2; 122,0; 118,9; 114,1; 112,7; 102,2; 83,5; 48,2; 27,6; 23,0 ppm. IR (vm,,, KBr): 3416; 2981 ; 1752; 1625; 1442; 1407; 1371 ; 1320; 1284; 1248; P. f. = 180-182 oC. 'H-NMR (300 MHz; CDCI,): ¡; 8.33 (d, 1H, J = 5.5 Hz); 8.10 (d, 1H, J = 8.4 Hz); 7.82 (d, 1H, J = 5.1 Hz); 7.29-7.22 (m, 3H); 7.16 (d, 1H, J = 1.8 Hz); 7.11 (dd, 1H, J = 8.4 Hz, J = 2.0 Hz); 6.99-6.95 (m, 2H); 5.73 (s, 2 H); 2.84 (s, 3 H); 1.60 (s, 9H) ppm. "C-NMR (75 MHz; CDCI): ¡; 151.7; 151.5; 142.2; 141.5; 138.6; 137.5; 136.0; 128.9; 128.7; 127.4; 125.2; 122.0; 118.9; 114.1; 112.7; 102.2; 83.5; 48.2; 27.6; 23.0 ppm. IR (vm ,, , KBr): 3416; 2981; 1752; 1625; 1442; 1407; 1371; 1320; 1284; 1248;
1154; 1136; 817; 721; 649 cm-l. Análisis Elemental para C24H24N20J; C: 74,21; H: 6,23; 1154; 1136; 817; 721; 649 cm-l. Elemental Analysis for C24H24N20J; C: 74.21; H: 6.23;
N: 7,21; encontrado C: 73,85; H: 6,17; N: 7,44. N: 7.21; found C: 73.85; H: 6.17; N: 7.44.
Ejemplo 10. Preparación de mesitilensulfonato de 2-amino-7-benciloxi-9-tercExample 10. Preparation of 2-amino-7-benzyloxy-9-tert mesitylenesulfonate
butoxicarbonil-1-metilpiridoI3,4-b]indol-2-inio (Compuesto 12, Esquema 2) butoxycarbonyl-1-methylpyridido3,4-b] indole-2-inium (Compound 12, Scheme 2)
Sobre una disolución de 11 (0,38 g; 1 mmol) en éter dietílico (10 mL) con agitación vigorosa a temperatura ambiente, se añade gota a gota una disolución de MSH (0,30 g; 1,4 mmol) en diclorometano (5 mL). Al cabo de una hora, se añade éter dietílico para facilitar la precipitación total de la sal aminada formada. Se filtra y se lava sucesivamente con diclorometano (2 x 5 mL) y éter dietílico (2 x 5 mL), obteniéndose el producto como un sólido de color blanco (0,50 g; 84%). On a solution of 11 (0.38 g; 1 mmol) in diethyl ether (10 mL) with vigorous stirring at room temperature, a solution of MSH (0.30 g; 1.4 mmol) in dichloromethane is added dropwise (5 mL). After one hour, diethyl ether is added to facilitate total precipitation of the aminated salt formed. Filter and wash successively with dichloromethane (2 x 5 mL) and diethyl ether (2 x 5 mL), obtaining the product as a white solid (0.50 g; 84%).
P. f. = 166-168 oC (dese.). ' H-RMN (300 MHz; CD,OD): ¡; 8,53 (d, 1 H, J = 7,0 Hz); 8,44 (d, 1H, J =7,0 Hz); 8,41 (d, 1 H, J =8,8 Hz); 7,54 (d, 1 H, J =1,5 Hz); 7,33-7,28 (m, 4H); 7,02 (d, 2H , J = 6,6 Hz); 6,79 (s, 2H); 5,92 (s, 2H); 3,03 (s, 3H); 2,57 (s, 6H); 2,18 (s, 3H); 1,52 (s, 9H) ppm.IR (vm,,, KBr): 3420; 3285; 3157; 3064; 2978; 1758; 1630; 1449; 1370; 1324; 1276; 1251 ; 1209; 1180; 1156; 1135; 1085; 1015; 849; 678 cm" . P. f. = 166-168 oC (dese.). 'H-NMR (300 MHz; CD, OD): ¡; 8.53 (d, 1 H, J = 7.0 Hz); 8.44 (d, 1H, J = 7.0 Hz); 8.41 (d, 1 H, J = 8.8 Hz); 7.54 (d, 1 H, J = 1.5 Hz); 7.33-7.28 (m, 4H); 7.02 (d, 2H, J = 6.6 Hz); 6.79 (s, 2H); 5.92 (s, 2H); 3.03 (s, 3 H); 2.57 (s, 6H); 2.18 (s, 3 H); 1.52 (s, 9H) ppm.IR (vm ,,, KBr): 3420; 3285; 3157; 3064; 2978; 1758; 1630; 1449; 1370; 1324; 1276; 1251; 1209; 1180; 1156; 1135; 1085; 1015; 849; 678 cm. "
Ejemplo 11. Preparación de mesitilensulfonato de 10-benciloxi-12-tercbutoxicarbonil-2,3-dietilpiridazino[1 ',S':1 ,2]pirido[3,4-b]indol-5-inio (Compuesto 13, Esquema 2) Example 11. Preparation of 10-benzyloxy-12-tert-butoxycarbonyl-2,3-diethylpyridazino [1 ', S': 1,2] pyrido [3,4-b] indole-5-inium (Compound 13, Scheme 2 )
A una disolución de 12 (0,30 g; 0,5 mmol) en etanol (20 mL) se añade 3,4-hexadiona To a solution of 12 (0.30 g; 0.5 mmol) in ethanol (20 mL) is added 3,4-hexadione
(0,07 g; 0,6 mmol) y acetato 5ódico anhidro (0,05 g; 0,6 mmol). Tras 30 minutos a (0.07 g; 0.6 mmol) and anhydrous sodium acetate (0.05 g; 0.6 mmol). After 30 minutes at
reflujo, se adiciona nuevamente a la mezcla 3,4-hexadiona (0,5 mmol) y acetato sódico anhidro (0,04 g; 0,5 mmol), dejando finalmente la mezcla a reflujo durante 2 horas, tras las cuales se concentra a sequedad y el residuo se purifica por cromatografía en columna de gel de sílice empleando como eluyente diclorometano:metanol (10:1). Se obtiene un sólido amarillo (0,23 g; 63%). reflux, 3,4-hexadione (0.5 mmol) and anhydrous sodium acetate (0.04 g; 0.5 mmol) are added back to the mixture, finally leaving the mixture at reflux for 2 hours, after which it is concentrated to dryness and the residue is purified by silica gel column chromatography using dichloromethane: methanol (10: 1) as eluent. A yellow solid is obtained (0.23 g; 63%).
P. f. = 183-185 oC. 'H-RMN (300 MHz; CD,OD + CDCI,): S 8,82 (d, 1H, J = 7,0 Hz); 8,69 (s, 1H); 8,67 (d, 1H, J = 7,1 Hz); 8,35 (d, 1H, J = 8,1 Hz); 7,51 (s, 1H); 7,26-7,13 (m, 6H); 6,57 (s, 2H); 6,42 (s, 2H); 2,97 (e, 2H, J =7,3 Hz); 2,84 (e, 2H, J = 7,3 Hz); 2,47 (s, 6H); 2,11 (s, 3H); 1,59 (s, 9H); 1,40 (t, 2H, J = 7,2 Hz); 1,09 (t, 2H , J = 7,0 Hz) ppm. " C-RMN (75 MHz; CD,OD + CDCI, ): S 163,1; 153,6; 151 ,1; 145,2; 142,7; 139,2; 138,2; 136,6; 134,6; 131,6; 130,2; 130,0; 129,4; 127,6; 125,2; 125,1; 123,3; 123,2; 117,6; 117,1; 116,1; 112,7; 103,3; 84,2; 49,1; 27,4; 26,1; 24,2; 22,4; 20,4; 11,0; 10,2 ppm. IR (vm,,, K8r): 3408; 2978; 2934; 1758; 1622; 1574; 1451; 1411; 1337; 1139; 1086; 1014; 809; 678 cm" . Análisis Elemental para C" H" N,O,S'3H,O; C: 63,65; H: 6,71 ; N: 5,71 ; encontrado C: 63,76; H: 6,47; N: 5,84. P. f. = 183-185 oC. 'H-NMR (300 MHz; CD, OD + CDCI,): S 8.82 (d, 1H, J = 7.0 Hz); 8.69 (s, 1 H); 8.67 (d, 1H, J = 7.1 Hz); 8.35 (d, 1H, J = 8.1 Hz); 7.51 (s, 1 H); 7.26-7.13 (m, 6H); 6.57 (s, 2H); 6.42 (s, 2H); 2.97 (e, 2H, J = 7.3 Hz); 2.84 (e, 2H, J = 7.3 Hz); 2.47 (s, 6H); 2.11 (s, 3 H); 1.59 (s, 9H); 1.40 (t, 2H, J = 7.2 Hz); 1.09 (t, 2H, J = 7.0 Hz) ppm. "C-NMR (75 MHz; CD, OD + CDCI,): S 163.1; 153.6; 151, 1; 145.2; 142.7; 139.2; 138.2; 136.6; 134 , 6; 131.6; 130.2; 130.0; 129.4; 127.6; 125.2; 125.1; 123.3; 123.2; 117.6; 117.1; 116.1 ; 112.7; 103.3; 84.2; 49.1; 27.4; 26.1; 24.2; 22.4; 20.4; 11.0; 10.2 ppm. IR (vm, ,, K8r): 3408; 2978; 2934; 1758; 1622; 1574; 1451; 1411; 1337; 1139; 1086; 1014; 809; 678 cm ". Elemental Analysis for C "H" N, O, S'3H, O; C: 63.65; H: 6.71; N: 5.71; found C: 63.76; H: 6.47; N: 5.84.
Ejemplo 12. Preparación de 9-terc-butoxicarbonil-1-metil-7-metoxipirido[3,4b]indol (Compuesto 14, Esquema 2) A una suspensión de 10 (0,30 g; 1 mmol), hidróxido potásico pulverizado (0,07 g; 1,2 Example 12. Preparation of 9-tert-butoxycarbonyl-1-methyl-7-methoxypyrid [3,4b] indole (Compound 14, Scheme 2) To a suspension of 10 (0.30 g; 1 mmol), powdered potassium hydroxide ( 0.07 g; 1.2
mmol), carbonato potásico anhidro (0,17 g; 1,2 mmol) y 88DE-CI (0,02 g; 0,05 mmol) en acetonitrilo seco (50 mL) con agitación vigorosa a temperatura ambiente, se adiciona yodometano (0,17 g; 1,2 mmol). La suspensión resultante se agita vigorosamente a temperatura ambiente durante 24 horas. Posteriormente se filtra la suspensión y se lavan las sales con acelonitrilo. Las aguas de filtrado y lavado se concentran a sequedad, eliminando el disolvente a presión reducida. El residuo obtenido se purifica por cromatografía en columna de gel de sílice utilizando como eluyente diclorometano:metanol (10:1). El producto se obtiene como un sólido amarillo mmol), anhydrous potassium carbonate (0.17 g; 1.2 mmol) and 88DE-CI (0.02 g; 0.05 mmol) in dry acetonitrile (50 mL) with vigorous stirring at room temperature, iodomethane ( 0.17 g; 1.2 mmol). The resulting suspension is vigorously stirred at room temperature for 24 hours. The suspension is then filtered and the salts are washed with acelonitrile. The filtering and washing waters are concentrated to dryness, removing the solvent under reduced pressure. The residue obtained is purified by silica gel column chromatography using dichloromethane: methanol (10: 1) as eluent. The product is obtained as a yellow solid
pálido (0,20 g; 65%). pale (0.20 g; 65%).
P. f. = 133-135 oC. 'H-RMN (300 MHz; CDCI,): 0 8,23 (d, 1H, J = 5,2 Hz); 7,98 (d, 1H, J = 8,4 Hz); 7,70 (d, 1H, J = 5,2 Hz); 7,19 (s, 1 H); 7,00 (d, 1 H, J = 8,5 Hz); 4,06 (s, 3H); 2,95 (s, 3H); 1,64 (s, 9H) ppm. IR (vm, .. KBr): 3412; 2979; 2929; 1755; 1624; 1450; P. f. = 133-135 oC. 'H-NMR (300 MHz; CDCI,): 0 8.23 (d, 1H, J = 5.2 Hz); 7.98 (d, 1H, J = 8.4 Hz); 7.70 (d, 1H, J = 5.2 Hz); 7.19 (s, 1 H); 7.00 (d, 1 H, J = 8.5 Hz); 4.06 (s, 3 H); 2.95 (s, 3 H); 1.64 (s, 9H) ppm. IR (vm, .. KBr): 3412; 2979; 2929; 1755; 1624; 1450;
1408; 1370; 1248; 1148; 1136; 819 cm"l. Análisis Elemental para C1sH20N20J C: 69,22; 5 H: 6,45; N: 8,97; encontrado C: 68,93; H: 6,37; N: 9,12. 1408; 1370; 1248; 1148; 1136; 819 cm "l. Elemental Analysis for C1sH20N20J C: 69.22; 5 H: 6.45; N: 8.97; found C: 68.93; H: 6.37; N: 9.12.
Ejemplo 13. Preparación de mesitilensulfonato de 2-amino-9-terc-butoxicarbonil1-rnetil-7-metoxipirido[3,4-b]indol-2-inio (Compuesto 15, Esquema 2) Sobre una disolución de 14 (0,30 g; 1 mmol) en éter dietílico (10 mL) con agitación Example 13. Preparation of 2-amino-9-tert-butoxycarbonyl-1-rnetyl-7-methoxypyrid [3,4-b] indole-2-inium mesylenesulfonate (Compound 15, Scheme 2) On a solution of 14 (0.30 g; 1 mmol) in diethyl ether (10 mL) with stirring
10 vigorosa a temperatura ambiente, se añade gota a gota una disolución de MSH (0,30 g; 1,4 mmol) en diclorometano (5 mL). Al cabo de una hora, se añade éter dietílico para facilitar la precipitación total de la sal aminada formada. Se filtra y se lava sucesivamente con diclorometano (2 x 5 mL) y éter dietílico (2 x 5 mL), obteniéndose el producto como un sólido de color blanco (0,46 g; 88%). At vigorous at room temperature, a solution of MSH (0.30 g; 1.4 mmol) in dichloromethane (5 mL) is added dropwise. After one hour, diethyl ether is added to facilitate total precipitation of the aminated salt formed. Filter and wash successively with dichloromethane (2 x 5 mL) and diethyl ether (2 x 5 mL), obtaining the product as a white solid (0.46 g; 88%).
15 P. f. = 157-159 oC (dese.). ' H-RMN (300 MHz; DMSO-d,): o8,78 (d, 1H, J = 6,7 Hz); 8,49 (d, 1H, J = 6,6 Hz); 8,34 (d, 1 H, J = 8,8 Hz); 7,94 (s, 2H, NH); 7,60 (d, 1 H, J = 2,0 Hz); 7,23 (dd, 1H, J = 8,8 Hz, J = 2,2 Hz); 6,71 (s, 2H); 3,94 (s, 3H); 2,82 (s, 3H); 2,47 (s, 6H); 2,14 (s, 3H); 1,69 (s, 9H) ppm. IR (vm", KBr): 3418; 2983; 1747; 1619; 1457; 1356; 1261; 1209; 1144; 1097; 835; 685em·'. 15 P. f. = 157-159 oC (dese.). 'H-NMR (300 MHz; DMSO-d,): o8.78 (d, 1H, J = 6.7 Hz); 8.49 (d, 1H, J = 6.6 Hz); 8.34 (d, 1 H, J = 8.8 Hz); 7.94 (s, 2H, NH); 7.60 (d, 1 H, J = 2.0 Hz); 7.23 (dd, 1H, J = 8.8 Hz, J = 2.2 Hz); 6.71 (s, 2H); 3.94 (s, 3 H); 2.82 (s, 3 H); 2.47 (s, 6H); 2.14 (s, 3 H); 1.69 (s, 9H) ppm. IR (vm ", KBr): 3418; 2983; 1747; 1619; 1457; 1356; 1261; 1209; 1144; 1097; 835; 685em · '.
Ejemplo 14. Preparación de mesitilensulfonato de 12-terc-butoxicarbonil-2,3Example 14. Preparation of 12-tert-butoxycarbonyl-2,3 mesitylenesulfonate
dimetil-10-metoxipiridazino[1 ',6':1 ,2]pirido[3,4-b]indol-5-inio (Compuesto 16, Esquema 2) dimethyl-10-methoxypyridazino [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inium (Compound 16, Scheme 2)
A una disolución 15 (0,27 g; 0,5 mmol) en etanol (20 mL), se añade 2,3-butanodiona To a solution 15 (0.27 g; 0.5 mmol) in ethanol (20 mL), 2,3-butanedione is added
25 (0,05 g; 0,6 mmol) y acetato sódico anhidro (0,05 g; 0,6 mmol). Tras 30 minutos a reflujo, se adiciona nuevamente a la mezcla 2,3-butanodiona (0,5 mmol) y acetato sódico anhidro (0,04 g; 0,5 mmol), dejando finalmente la mezcla 2 horas a reflujo, tras las cuales se concentra a sequedad la mezcla, purificando el residuo obtenido por cromatografía en columna de gel de sílice empleando como eluyente 25 (0.05 g; 0.6 mmol) and anhydrous sodium acetate (0.05 g; 0.6 mmol). After 30 minutes at reflux, 2,3-butanedione (0.5 mmol) and anhydrous sodium acetate (0.04 g; 0.5 mmol) are added back to the mixture, finally leaving the mixture for 2 hours at reflux, after which the mixture is concentrated to dryness, purifying the residue obtained by silica gel column chromatography using as eluent
30 diclorometano:metanol (10:1). El producto se obtiene como un sólido amarillo (0, 11 g; 30 dichloromethane: methanol (10: 1). The product is obtained as a yellow solid (0.11 g;
40%). 40%)
P. f. = 160-162 oC (dese.). 'H-RMN (300 MHz; CDCI, + CD,OD): ¡¡ 9,10 (s, 1H); 8,80 (d, 1H, J= 7,0 Hz); 8,57 (d, 1H, J= 7,0 Hz); 8,29 (d, 1H, J= 8,8 Hz); 7,48 (s, 1H); 7,17 (d, 1 H, J = 8,4 Hz); 6,75 (s, 2H); 3,96 (s, 3H); 2,74 (s, 3H); 2,69 (s, 3H); 2,52 (s, 6H); P. f. = 160-162 oC (dese.). 'H-NMR (300 MHz; CDCI, + CD, OD): ¡9.10 (s, 1H); 8.80 (d, 1H, J = 7.0 Hz); 8.57 (d, 1H, J = 7.0 Hz); 8.29 (d, 1H, J = 8.8 Hz); 7.48 (s, 1 H); 7.17 (d, 1 H, J = 8.4 Hz); 6.75 (s, 2H); 3.96 (s, 3 H); 2.74 (s, 3 H); 2.69 (s, 3 H); 2.52 (s, 6H);
2,15 (s, 3H); 1,58 (s, 9H) ppm. "C-RMN (75 MHz; CDCI, + CD,OD): S 161,6; 153,4; 149,8; 144,8; 141 ,2; 137,4; 135,3; 131,2; 130,2; 129,7; 129,5; 128,2; 127,1; 125,9; 123,8; 117,2; 116,8; 112,7; 103,1; 84,7; 55,5; 27,2; 23,0; 20,6; 19,9; 19,7; 19,3; 18,4 ppm. IR (Vm,,, KBr): 3408; 2979; 2927; 1758; 1624; 1556; 1458; 1370; 1311; 1252; 2.15 (s, 3 H); 1.58 (s, 9H) ppm. "C-NMR (75 MHz; CDCI, + CD, OD): S 161.6; 153.4; 149.8; 144.8; 141, 2; 137.4; 135.3; 131.2; 130 , 2; 129.7; 129.5; 128.2; 127.1; 125.9; 123.8; 117.2; 116.8; 112.7; 103.1; 84.7; 55.5 ; 27.2; 23.0; 20.6; 19.9; 19.7; 19.3; 18.4 ppm. IR (Vm ,,, KBr): 3408; 2979; 2927; 1758; 1624; 1556 ; 1458; 1370; 1311; 1252;
5 1184; 1124; 1012; 849; 670 cm-1. Análisis Elemental para C31HJsNJSOs-1 H20 C: 62,49; 5 1184; 1124; 1012; 849; 670 cm-1. Elemental Analysis for C31HJsNJSOs-1 H20 C: 62.49;
H: 6,26; N: 7,05; encontrado C: 62,37; H: 6,11 ; N: 7," . H: 6.26; N: 7.05; found C: 62.37; H: 6.11; N: 7, "
Ejemplo 15. Preparación de bromuro de 2,3-dimetil-12H-10-metoxiExample 15. Preparation of 2,3-dimethyl-12H-10-methoxy bromide
piridazinol1' ,6':1,2)pirido[3,4-b)indol-5-inio (Compuesto 17, Esquema 2) pyridazinol1 ', 6': 1,2) pyrido [3,4-b) indole-5-inium (Compound 17, Scheme 2)
10 Una suspensión formada por 16 (0,11 g; 0,2 mmol) y ácido bromhídrico concentrado (1 mL) en acetona (10 mL) se lleva a reflujo durante 2 horas. Al cabo de dicho tiempo, la suspensión resultante se filtra en caliente, lavando el sólido obtenido con acetona (2 x 10 mL). El producto se obtiene como un sólido anaranjado (0,065 g; 91%). A suspension formed by 16 (0.11 g; 0.2 mmol) and concentrated hydrobromic acid (1 mL) in acetone (10 mL) is refluxed for 2 hours. After this time, the resulting suspension is filtered hot, washing the solid obtained with acetone (2 x 10 mL). The product is obtained as an orange solid (0.065 g; 91%).
P. f. = 204-206 oC. ' H-RMN (300 MHz; DMSO-d,): S 13,33 (s, 1H); 9,18 (d, 1H, J = 7,0 P. f. = 204-206 oC. 'H-NMR (300 MHz; DMSO-d,): S 13.33 (s, 1H); 9.18 (d, 1H, J = 7.0
15 Hz); 8,92 (s, 1H); 8,77 (d, 1H, J = 7,0 Hz); 8,39 (d, 1H, J = 8,8 Hz); 7,24 (d, 1H, J = 1,8 Hz); 7,11 (dd, 1H, J = 8,8 Hz, J = 2,2 Hz); 3,95 (s, 3H); 2,75 (s, 3H); 2,62 (s, 3H) ppm. IR (vm.., KBr): 3419; 2984; 1627; 1482; 1445; 1410; 1332; 1274; 1200; 1165; 1094; 1023; 812; 682 cm-1. Análisis Elemental para C17H16NJOBr-1H20 C: 54,26; H: 4,82; N: 11,17; encontrado C: 54,38; H: 5,03; N: 10,94. 15 Hz); 8.92 (s, 1 H); 8.77 (d, 1H, J = 7.0 Hz); 8.39 (d, 1H, J = 8.8 Hz); 7.24 (d, 1H, J = 1.8 Hz); 7.11 (dd, 1H, J = 8.8 Hz, J = 2.2 Hz); 3.95 (s, 3 H); 2.75 (s, 3 H); 2.62 (s, 3 H) ppm. IR (vm .., KBr): 3419; 2984; 1627; 1482; 1445; 1410; 1332; 1274; 1200; 1165; 1094; 1023; 812; 682 cm-1. Elemental Analysis for C17H16NJOBr-1H20 C: 54.26; H: 4.82; N: 11.17; found C: 54.38; H: 5.03; N: 10.94.
Esquema 3.-proceso de síntesis de los compuestos 19 a 31. Scheme 3.-synthesis process of compounds 19 to 31.
6, 6,
~ ~
, N: N , N: N
, h h
.< N:' N CH,o. <N: 'N CH, or
CH,0 ~ h "6, ,CH, 0 ~ h "6,,
, N, N
O" " "" " Or "" "" "
t "t "
" "
B<omoaoetalo de etilo B <ethyl omoaoetalo
MSTS 3,4·hexanodiooa MSTS 3.4 hexanediooa
- --
CH,O ~ ,.. ,..... N_~C~O~N:NH2 .. C><,O CH, O ~, .., ..... N_ ~ C ~ O ~ N: NH2 .. C> <, O
N ""-El H CH, N "" -H CH,
" ~ "~
" """
" " ""
\I(CH,J,I \ I (CH, J, I
M$" MS" M $ "MS"
• CH,O~N:NH~ • CH, O ~ N: NH ~
; C", ; C",
" "
~ ~
" " ""
MS" CH,O ~J.~,N: N CH,O MS " CH, O ~ J. ~, N: N CH, O
"" ""
" "
r , j OC", M$TS r, j OC ", M $ TS
MS" ,. N'-NMS ",. N'-N
, jj
W",-h -Q:Q...... .W ", - h -Q: Q .......
OCH, 3,4-hexanodiona N_N', CH,O , OCH, 3,4-hexanedione N_N ', CH, O,
• I CH,O ~ A N ~ ,. N-NH. ----..... • I CH, O ~ A N ~,. N-NH ----.....
\ /\ /
H N,N ", N H N, N ", N
'A N N "'A N N "
(CH,), (CH,),
, \ / CH, "H" , \ / CH, "H"
MSTS eH, (CH,), ~~~~(CH,l, MSTS " " MSTS eH, (CH,), ~~~~ (CH, l, MSTS ""
" "
" "
Ejemplo 16. Preparación de mesitilensulfonato de 2-amino-1-metil-7-metoxi-9Hpirido[3,4-b]indol-2-inio (Compuesto 19, Esquema 3) Example 16. Preparation of 2-amino-1-methyl-7-methoxy-9H-pyrido [3,4-b] indole-2-inium mesitylenesulfonate (Compound 19, Scheme 3)
A una disolución de harmina comercial 18 (0,20 g; 0,94 mmol) en diclorometano (5 To a solution of commercial harmine 18 (0.20 g; 0.94 mmol) in dichloromethane (5
mL), con agitación y a temperatura ambiente, se adiciona gota a gota, otra disolución mL), with stirring and at room temperature, another solution is added dropwise
de Q-mesitilensulfonato de hidroxilamina (MSH) (0,41 g; 1,32 mmol) en diclorometano of hydroxylamine Q-mesitylenesulfonate (MSH) (0.41 g; 1.32 mmol) in dichloromethane
(2 mL). La mezcla se deja con agitación a temperatura ambiente durante 1 hora, tras lo (2 mL). The mixture is left under stirring at room temperature for 1 hour, after
cual se añade éter etílico a la suspensión resultante. El sólido obtenido se filtra y se which is added ethyl ether to the resulting suspension. The solid obtained is filtered and
lava sucesivamente con diclorometano y acetona. Se obtiene un sólido blanco (0,37 g; wash successively with dichloromethane and acetone. A white solid is obtained (0.37 g;
92%). 92%).
P. f. = 234-235 oC (Lit. 235-237 oC). P. f. = 234-235 oC (Lit. 235-237 oC).
5 Ejemplo 17. Preparación de mesitilensulfonato de 2,3-dietil-12H-105 Example 17. Preparation of 2,3-diethyl-12H-10 mesitylenesulfonate
metoxipiridazino[1',6':1,2)pirido[3,4-b)indol-5-inio (Compuesto 20, Esquema 3) methoxypyridazino [1 ', 6': 1,2) pyrido [3,4-b) indole-5-inium (Compound 20, Scheme 3)
Sobre una suspensión de 19 (0,15 g; 0,35 mmol) en etanol (5 mL), se añade 3,4On a suspension of 19 (0.15 g; 0.35 mmol) in ethanol (5 mL), 3.4 is added
hexanodiona (0,04 g; 0,35 mmol) y acetato sódico anhidro (0,03 g; 0,35 mmol).Tras 24 hexanedione (0.04 g; 0.35 mmol) and anhydrous sodium acetate (0.03 g; 0.35 mmol). After 24
horas a reflujo, y posterior triturado del aceite con un mezcla de acetona-éter etílico, se 10 filtra el sólido así obtenido, lavándose éste posteriormente con acetona en caliente. Se recristaliza en ácido acético-acetona y se obtiene un sólido amarillo pálido (0,10 g; hours at reflux, and then crushing the oil with a mixture of acetone-ethyl ether, the solid thus obtained is filtered, the latter being washed with hot acetone. It is recrystallized from acetic acid-acetone and a pale yellow solid is obtained (0.10 g;
56%). 56%)
P. f. = 253-254 oC. ' H-RMN (300 MHz; DMSO-d, ): S 12,87 (s, 1H); 9,12 (d, 1H, J = 6,9 Hz); 8,91 (s, 1 H); 8,72 (d, 1 H, J = 6,9 Hz); 8,34 (d, 1H, J = 8,8 Hz); 7,22 (d, 1H, J = 2,0 P. f. = 253-254 oC. 'H-NMR (300 MHz; DMSO-d,): S 12.87 (s, 1H); 9.12 (d, 1H, J = 6.9 Hz); 8.91 (s, 1 H); 8.72 (d, 1 H, J = 6.9 Hz); 8.34 (d, 1H, J = 8.8 Hz); 7.22 (d, 1H, J = 2.0
15 Hz); 7,07 (dd, 1H, J = 8,8 Hz, J = 1,8 Hz); 3,93 (s, 3H); 3,10 (e, 2H, J = 7,3 Hz); 2,95 (e, 2H , J = 7, 3 Hz); 1,42 (t, 3H, J = 7,3 Hz); 1,37 (t, 3H, J = 7,3 Hz) ppm. IR (vm.., KBr): 2979; 2940; 1630; 1569; 1460; 1412; 1336; 1225; 1167; 1087; 1016; 813; 678 cm" . Amllisis elemental: Calculado para C2sHJ,N304S ·1/2H20 ; C: 65,35; H: 6,27; N: 8,16; encontrado: C: 65,07; H: 6,44; N: 7,90. 15 Hz); 7.07 (dd, 1H, J = 8.8 Hz, J = 1.8 Hz); 3.93 (s, 3 H); 3.10 (e, 2H, J = 7.3 Hz); 2.95 (e, 2H, J = 7, 3 Hz); 1.42 (t, 3H, J = 7.3 Hz); 1.37 (t, 3H, J = 7.3 Hz) ppm. IR (vm .., KBr): 2979; 2940; 1630; 1569; 1460; 1412; 1336; 1225; 1167; 1087; 1016; 813; 678 cm ". Elemental analysis: Calculated for C2sHJ, N304S1 / 2H20; C: 65.35; H: 6.27; N: 8.16; found: C: 65.07; H: 6.44; N : 7.90.
Ejemplo 18. Preparación de 2,3-dietil-10-metoxipiridazino[1 ',6':1,2]pirido[3,4Example 18. Preparation of 2,3-diethyl-10-methoxypyridazino [1 ', 6': 1,2] pyrido [3,4
b)indol (Compuesto 21, Esquema 3) b) indole (Compound 21, Scheme 3)
Una suspensión de 20 (0,10 g; 0,2 mmol) en agua (5 mL) se trató con trietilamina en exceso a temperatura ambiente. Inmediatamente, la suspensión cambió a una A suspension of 20 (0.10 g; 0.2 mmol) in water (5 mL) was treated with excess triethylamine at room temperature. Immediately, the suspension changed to a
25 coloración más oscura e intensa. Tras 1 hora con agitación a temperatura ambiente, el sólido en suspensión se filtra, se lava con agua, hasta que las aguas dejan de ser básicas, y se seca a vacío, obteniéndose la anhidrobase como un sólido rojoanaranjado (0,055 g; 90%). 25 darker and more intense coloration. After 1 hour with stirring at room temperature, the suspended solid is filtered, washed with water, until the waters are no longer basic, and dried under vacuum, obtaining the anhydrobase as an orange-red solid (0.055 g; 90%) .
P. f. = 191-193 oC. ' H-RMN (300 MHz; DMSO-d,): S 9,12 (d , 1H, J = 6,8 Hz); 8,91 (s, P. f. = 191-193 oC. 'H-NMR (300 MHz; DMSO-d,): S 9.12 (d, 1H, J = 6.8 Hz); 8.91 (s,
30 1 H); 8,72 (d, 1 H, J = 6,8 Hz); 8,34 (d, 1 H, J = 8,9 Hz); 7,22 (d, 1 H, J = 2,0 Hz); 7,07 (dd , 1 H, J = 8,8 Hz, J = 2,4 Hz); 3,93 (s, 3H); 3,10 (e, 2H, J = 7,3 Hz); 2,95 (e, 2H, J = 7,3 Hz); 1,42 (t, 3H, J = 7,3 Hz); 1,37 (t, 3H, J = 7,3 Hz) ppm. IR (vm.., KBr): 2971 ; 2935; 1618; 1565; 1462; 1410; 1319; 1201 ; 1159; 1124; 1085; 1030; 771 cm" . Análisis 30 1 H); 8.72 (d, 1 H, J = 6.8 Hz); 8.34 (d, 1 H, J = 8.9 Hz); 7.22 (d, 1 H, J = 2.0 Hz); 7.07 (dd, 1 H, J = 8.8 Hz, J = 2.4 Hz); 3.93 (s, 3 H); 3.10 (e, 2H, J = 7.3 Hz); 2.95 (e, 2H, J = 7.3 Hz); 1.42 (t, 3H, J = 7.3 Hz); 1.37 (t, 3H, J = 7.3 Hz) ppm. IR (vm .., KBr): 2971; 2935; 1618; 1565; 1462; 1410; 1319; 1201; 1159; 1124; 1085; 1030; 771 cm ". Analysis
- elemental: Calculado para C19H19N30 ; C: 74,73; H: 6,27; N: 13,26; encontrado: C: Elementary: Calculated for C19H19N30; C: 74.73; H: 6.27; N: 13.26; Found: C:
- 74,40; H: 6,49; N: 13,01 . 74.40; H: 6.49; N: 13.01.
- Ejemplo 19. Preparación de bromuro de 2,3-dietil-12-etoxicarbonilmetil-10-metoxi Example 19. Preparation of 2,3-diethyl-12-ethoxycarbonylmethyl-10-methoxy bromide
- 5 5
- piridazino[1',6':1,2]pirido[3,4-b]indol-5-inio (Compuesto 22, Esquema 3) pyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5-inium (Compound 22, Scheme 3)
- A una suspensión de 21 (0,06 g; 0,2 mmol) en acetonitrilo (5 mL), agitada a To a suspension of 21 (0.06 g; 0.2 mmol) in acetonitrile (5 mL), stirred at
- temperatura ambiente, se añade gota a gota bromoacetato de etilo (0,17 g; 1 mmol). room temperature, ethyl bromoacetate (0.17 g; 1 mmol) is added dropwise.
- Transcurridas 24 horas, la suspensión resultante se filtra , obteniendo un sólido, que se After 24 hours, the resulting suspension is filtered, obtaining a solid, which is
- lava sucesivamente con acetona (2 x 1 mL) y la mínima cantidad de etanol. Finalmente wash successively with acetone (2 x 1 mL) and the minimum amount of ethanol. Finally
- 10 10
- se recrislaliza en una mezcla etanol-éter etílico, y se obtiene un sólido amarillo (0 ,028 it is recrislalized in an ethanol-ethyl ether mixture, and a yellow solid is obtained (0.028
- g; 28%). g; 28%)
- P. f. = 310 oC. ' H-RMN (300 MHz; DMSO-d,): 0 9,37 (d, 1 H, J = 6,6 Hz); 8,94 (s, 1 H); P. f. = 310 oC. 'H-NMR (300 MHz; DMSO-d,): 0 9.37 (d, 1 H, J = 6.6 Hz); 8.94 (s, 1 H);
- 8,76 (d, 1H, J = 8,8 Hz); 8,48 (d, 1H, J = 6,6 Hz); 7,69 (d, 1H, J = 1,5 Hz); 7,17 (dd, 1H, 8.76 (d, 1H, J = 8.8 Hz); 8.48 (d, 1H, J = 6.6 Hz); 7.69 (d, 1H, J = 1.5 Hz); 7.17 (dd, 1H,
- J = 8,8 Hz, J = 1,5 Hz); 6,02 (s, 2H ); 4,23 (e, 2H , J = 7,3 Hz); 3 95 (s, 3H ); 3,14 (e, 2H , J = 8.8 Hz, J = 1.5 Hz); 6.02 (s, 2H); 4.23 (e, 2H, J = 7.3 Hz); 3 95 (s, 3 H); 3.14 (e, 2H,
- 15 fifteen
- J = 7,3 Hz); 2,98 (e, 2H , J = 7,3 Hz); 1,46-1 ,25 (m, 9H) ppm. IR (vm,,, KBr): 2974; 2939; J = 7.3 Hz); 2.98 (e, 2H, J = 7.3 Hz); 1.46-1.25 (m, 9H) ppm. IR (vm ,,, KBr): 2974; 2939;
- 2885; 1742; 1624; 1572; 1519; 1412; 1344; 1273; 1163; 830 cm1 . Análisis elemental: 2885; 1742; 1624; 1572; 1519; 1412; 1344; 1273; 1163; 830 cm1. Elementary Analysis:
- Calculado para C" H" NJOJ Br·1H, O; C: 56,33; H: 5,75; N: 8,57; encontrado: C: 56,14; Calculated for C "H" NJOJ Br · 1H, O; C: 56.33; H: 5.75; N: 8.57; Found: C: 56.14;
- H: 6,02; N: 8,67. H: 6.02; N: 8.67.
- 20 twenty
- Ejemplo 20. Preparación de yoduro de 2,3-dietil-10-metoxi-12-(3 Example 20. Preparation of 2,3-diethyl-10-methoxy-12- iodide (3
- yodopropil)piridazino[1 ',6':1 ,2]pirido[3,4-b]indol-5-i nio (Compuesto 23, Esquema iodopropyl) pyridazino [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-i nium (Compound 23, Scheme
- 3) 3)
- Una suspensión de 21 (86,8 mg ; 0,3 mmol) en 1 ,3-diyodopropano (5 mL) se irradia en A suspension of 21 (86.8 mg; 0.3 mmol) in 1,3-diiodopropane (5 mL) is irradiated in
- un sintetizador por microondas durante dos periodos de 10 minutos con una potencia a microwave synthesizer for two periods of 10 minutes with a power
- 25 25
- de 300 watios , apareciendo un precipitado el cual se filtra en caliente y se lava 300 watts, appearing a precipitate which is filtered hot and washed
- sucesivamente con acetona (2 x 5 mL) y éter dietílico (2 x 5 mL). El precipitado successively with acetone (2 x 5 mL) and diethyl ether (2 x 5 mL). The precipitate
- formado se recristaliza en etanol, obteniéndose un sólido naranja (96 mg; 55 %). formed is recrystallized from ethanol, obtaining an orange solid (96 mg; 55%).
- P. f. > 300 oC. ' H-RMN (300 MHz; DMSO-d,): on 9,18 (d, 1H, J = 7,0 Hz); 9,04 (d, 1H, P. f. > 300 oC. 'H-NMR (300 MHz; DMSO-d,): on 9.18 (d, 1H, J = 7.0 Hz); 9.04 (d, 1 H,
- J = 7,0 Hz); 8,87 (s, 1 H); 8,37 (d, 1 H, J = 8,8 Hz); 7,20 (s, 1 H); 7,08 (d , 1 H, J = 9,0 Hz); J = 7.0 Hz); 8.87 (s, 1 H); 8.37 (d, 1 H, J = 8.8 Hz); 7.20 (s, 1 H); 7.08 (d, 1 H, J = 9.0 Hz);
- 3D 3D
- 5,19 (s,p., 2H); 3,94 (s, 3H); 3,35 (s,p, 2H ); 2,97 (e, 2H , J = 7,2 Hz); 2,90 (e, 2H , J = 7,2 5.19 (s, p., 2H); 3.94 (s, 3 H); 3.35 (s, p, 2H); 2.97 (e, 2H, J = 7.2 Hz); 2.90 (e, 2H, J = 7.2
- Hz); 2,59 (s", 2H); 1,40 (t, 6H , J = 7,0 Hz) ppm. Hz); 2.59 (s ", 2H); 1.40 (t, 6H, J = 7.0 Hz) ppm.
- Ejemplo 21. Preparación de bromuro de 12-carboximetil-2,3-dietil-10-metoxiExample 21. Preparation of 12-carboxymethyl-2,3-diethyl-10-methoxy bromide
- piridazino[1',6':1,2)pirido[3,4-b)indol-5-inio (Compuesto 24, Esquema 3) pyridazino [1 ', 6': 1,2) pyrido [3,4-b) indole-5-inium (Compound 24, Scheme 3)
- Una mezcla de 22 (38,7 mg; 0,08 mmol) y HBr (48%, 1 mL) se calienta a reflujo A mixture of 22 (38.7 mg; 0.08 mmol) and HBr (48%, 1 mL) is heated to reflux
- durante 3 horas. A continuación, la mezcla de reacción se deja enfriar y se concentra during 3 hours. The reaction mixture is then allowed to cool and concentrated.
- hasta sequedad. El resídu o obtenido se tritura en éter dietílico, proporcionando un until dry. The residue obtained is triturated in diethyl ether, providing a
- sólido naranja (30,9 mg; 85%). Orange solid (30.9 mg; 85%).
- S S
- P. f. = 234-235 oC. ' H-RMN (300 MHz; DMSO-d,): o9,33 (d, 1 H, J = 6,8 Hz); 8,90 (d, P. f. = 234-235 oC. 'H-NMR (300 MHz; DMSO-d,): o9.33 (d, 1 H, J = 6.8 Hz); 8.90 (d,
- 1 H, J = 6,8 Hz); 8,58 (s, 1 H); 8,47 (d, 1 H, J = 8,9 Hz); 7,68 (s, 1 H); 7,17 (d, 1H, J = 8,7 1 H, J = 6.8 Hz); 8.58 (s, 1 H); 8.47 (d, 1 H, J = 8.9 Hz); 7.68 (s, 1 H); 7.17 (d, 1H, J = 8.7
- Hz); 5,96 (s, 2H); 3,97 (s, 3H); 3,15 (c, 2H, J = 7,2 Hz); 2,99 (c, 2H, J = 7,2 Hz); 1,39 Hz); 5.96 (s, 2H); 3.97 (s, 3 H); 3.15 (c, 2H, J = 7.2 Hz); 2.99 (c, 2H, J = 7.2 Hz); 1.39
- (I, p, 6H , J = 6,8 Hz) ppm. (I, p, 6H, J = 6.8 Hz) ppm.
- 10 10
- Ejemplo 22. Preparación de 1-metil-7-metoxi-9-(pent-4-inil)pirido[3,4-b]indol Example 22. Preparation of 1-methyl-7-methoxy-9- (pent-4-inyl) pyrido [3,4-b] indole
- (Compuesto 25, Esquema 3) (Compound 25, Scheme 3)
- Una mezcla de harmina 18 (1 ,06 g ; 5 mmol), 5-cloro-1-pentino (0,72 g; 7 mmol), A mixture of harmine 18 (1.06 g; 5 mmol), 5-chloro-1-pentino (0.72 g; 7 mmol),
- BBDE-el como catalizador de transferencia de fase (0,11 g ; 0,25 mmol), hidróxido BBDE-el as phase transfer catalyst (0.11 g; 0.25 mmol), hydroxide
- potásico pulverizado seco (0 ,50 g; 9 mmol), y carbonato potásico anhidro (1 ,24 g; 9 dried powdered potassium (0.50 g; 9 mmol), and anhydrous potassium carbonate (1.24 g; 9
- 15 fifteen
- mmol) en acetonitrilo seco (50 mL); se agita vigorosamente a temperatura ambiente mmol) in dry acetonitrile (50 mL); stir vigorously at room temperature
- durante 400 horas. La suspensión resultante se filtra , lavando el residuo insoluble con for 400 hours The resulting suspension is filtered, washing the insoluble residue with
- acetonitrilo (3 x 10 mL). Los filtrados se concentraron a sequedad, el residuo se acetonitrile (3 x 10 mL). The filtrates were concentrated to dryness, the residue was
- purifica mediante cromatografia en columna de sílica gel utilizando AcOEt (Acetato de Purify by silica gel column chromatography using AcOEt (Acetate
- etilo) como eluyente. El producto se recristaliza en hexano, obteniendo un sólido ethyl) as eluent. The product is recrystallized from hexane, obtaining a solid.
- 20 twenty
- blanco (0,84 g, 61%). white (0.84 g, 61%).
- P. f.= 107-109 oC. ' H-RMN (300 MHz; CDCI,): o8,29 (d, 1 H, J = 5,1 Hz); 7,97 (d, 1 H, J P. f. = 107-109 oC. 'H-NMR (300 MHz; CDCI,): o8.29 (d, 1 H, J = 5.1 Hz); 7.97 (d, 1 H, J
- = 8,8 Hz); 7,73 (d, 1 H, J = 5,1 Hz); 6,99 (d, 1 H, J = 2,2 Hz); 6,89 (dd, 1 H, J = 8,4 Hz, J = 8.8 Hz); 7.73 (d, 1 H, J = 5.1 Hz); 6.99 (d, 1 H, J = 2.2 Hz); 6.89 (dd, 1 H, J = 8.4 Hz, J
- = 2,2 Hz); 4,64 (t, 2H , J = 7,7 Hz); 3,95 (s, 3H); 3,03 (s, 3H); 2,32 (td, 2H, J = 6,6 Hz, J = 2.2 Hz); 4.64 (t, 2H, J = 7.7 Hz); 3.95 (s, 3 H); 3.03 (s, 3 H); 2.32 (td, 2H, J = 6.6 Hz, J
- = 2,5 Hz); 2,13 (t, 1H, J = 2,5 Hz); 2,11-2,01 (m, 2H) ppm. IR (vm,,, KBr): 3172; 2982; = 2.5 Hz); 2.13 (t, 1H, J = 2.5 Hz); 2.11-2.01 (m, 2H) ppm. IR (vm ,,, KBr): 3172; 2982;
- 2S 2S
- 2103; 1621; 1565; 1449; 1407; 1244; 1162; 1047; 809 cm". Análisis elemental: 2103; 1621; 1565; 1449; 1407; 1244; 1162; 1047; 809 cm ". Elemental analysis:
- Calculado para Cls H1SNzO; C: 77,67; H: 6,52; N: 10,06; encontrado: C: 77,30; H: 6,67; Calculated for Cls H1SNzO; C: 77.67; H: 6.52; N: 10.06; Found: C: 77.30; H: 6.67;
- N: 9,92. N: 9.92.
- Ejemplo 23. Preparación de mesitilensulfonato de 2-amino-1-metil-7-metoxi-9Example 23. Preparation of 2-amino-1-methyl-7-methoxy-9 mesitylenesulfonate
- 30 30
- (pent4-inil}pirido[3,4-b]indol-2-inio (Compuesto 26, Esquema 3) (pent4-inyl} pyrido [3,4-b] indole-2-inium (Compound 26, Scheme 3)
- A una disolución de 25 (0,26 g; 1 mmol) en diclorometano (5 mL), con agitación At a solution of 25 (0.26 g; 1 mmol) in dichloromethane (5 mL), with stirring
- constante y a temperatura ambiente, se añade gota a gota una disolución de 0constant and at room temperature, a solution of 0 is added dropwise
- mesitilensulfonato de hidroxilamina (MSH) (1,4 mmol), en diclorometano (2 mL). La hydroxylamine mesitylenesulfonate (MSH) (1.4 mmol), in dichloromethane (2 mL). The
- mezcla se agita a temperatura ambiente durante 30 minutos, tras los cuales se añade The mixture is stirred at room temperature for 30 minutes, after which it is added.
éter dietílico a la mezcla para precipitar la sal formada . El sólido se filtra y lava sucesivamente con acetona y diclorometano. Se recristaliza en etanol obteniéndose un sólido amarillo (0,43 g; 88%). diethyl ether to the mixture to precipitate the salt formed. The solid is filtered and washed successively with acetone and dichloromethane. It is recrystallized from ethanol to obtain a yellow solid (0.43 g; 88%).
P. f. = 201-202 oC. 'H-RMN (300 MHz; DMSO-d,): o8,54 (d, lH, J = 6,9 Hz); 8,43 (d, P. f. = 201-202 oC. 'H-NMR (300 MHz; DMSO-d,): o8.54 (d, lH, J = 6.9 Hz); 8.43 (d,
5 lH, J = 6,6 Hz); 8,30 (d, lH, J = 8,8 Hz); 7,67 (s, 2H ); 7,37 (d, lH, J = 2,2 Hz); 7,06 (dd, 1 H, J = 8,8 Hz, J = 2,2 Hz); 4,72 (t, 2H, J = 7,7 Hz); 3,95 (s, 3H); 3,15 (s, 3H); 2,97 (t, 1 H, J = 2,5 Hz); 2,31 (td, 2H, J = 6,8 Hz, J = 2,5 Hz); 2,00-1,94 (m, 2H) ppm. IR (vm.., KBr): 3264; 3191; 3086; 2971; 1622; 1578; 1452; 1233; 1205; 1009; 827; 676 5 lH, J = 6.6 Hz); 8.30 (d, lH, J = 8.8 Hz); 7.67 (s, 2H); 7.37 (d, lH, J = 2.2 Hz); 7.06 (dd, 1 H, J = 8.8 Hz, J = 2.2 Hz); 4.72 (t, 2H, J = 7.7 Hz); 3.95 (s, 3 H); 3.15 (s, 3 H); 2.97 (t, 1 H, J = 2.5 Hz); 2.31 (td, 2H, J = 6.8 Hz, J = 2.5 Hz); 2.00-1.94 (m, 2H) ppm. IR (vm .., KBr): 3264; 3191; 3086; 2971; 1622; 1578; 1452; 1233; 1205; 1009; 827; 676
cm-1. Análisis Elemental para C27H31N304S; C: 65,70; H: 6,33; N: 8,51; encontrado C: cm-1 Elemental Analysis for C27H31N304S; C: 65.70; H: 6.33; N: 8.51; found C:
10 65,33; H: 6,50; N: 8,26. 10 65.33; H: 6.50; N: 8.26.
Ejemplo 24. Preparación de mesitilensulfonato de 14-metoxi-16-(pent-4Example 24. Preparation of 14-methoxy-16- (pent-4 mesitylenesulfonate)
inil)acenafto[l",2" :3',4']piridazino[l',6' :1 ,2]pirido[3,4-b ]indol-9-i nio (Compuesto 27, Esquema 3) 15 Una mezcla de 26 (0,10 g; 0,2 mmol), acenaftoquinona (0,036 g; 0,2 mmol), acetato inil) acenaphth [l ", 2": 3 ', 4'] pyridazino [l ', 6': 1, 2] pyrido [3,4-b] indole-9-i nium (Compound 27, Scheme 3) 15 A mixture of 26 (0.10 g; 0.2 mmol), acenaphthoquinone (0.036 g; 0.2 mmol), acetate
sódico anhidro (0,016 g; 0,2 mmol) y etanol (10 mL ), se calienta a reflujo durante 1 hora. El sólido obtenido se filtra en caliente, lavándose sucesivamente con etanol caliente (5 mL) y acetona caliente (5 mL). Finalmente se recristaliza en acetona-ácido acético. Se obtiene un sólido anaranjado (0,085 g; 67%). Anhydrous sodium (0.016 g; 0.2 mmol) and ethanol (10 mL), heated at reflux for 1 hour. The solid obtained is filtered hot, washing successively with hot ethanol (5 mL) and hot acetone (5 mL). Finally it is recrystallized from acetone-acetic acid. An orange solid is obtained (0.085 g; 67%).
20 P. f. = 273-274 oC. 'H-RMN (300 MHz; DMSO-d,): o9,55 (s, lH); 9,37 (d, lH, J = 6,9 Hz); 8,75 (d, 1 H, J = 6,9 Hz); 8,71 (d, 1 H, J = 6,9 Hz); 8,58 (d, 1 H, J = 7,3 Hz); 8,38 (d, lH, J= 8,4 Hz); 8,34 (d, 2H, J= 8,0 Hz); 8,02 (t,p, 2H, J= 7,4 Hz); 7,52 (d, lH, J = 1,8 Hz); 7,18 (dd, 1 H, J = 8,8 Hz, J = 2,2 Hz); 5,24 (t, 2H, J = 7,3 Hz); 4,05 (s, 3H); 2,75 (s, lH); 2,54-2,51 (m, 2H); 2,38-2,29 (m, 2H) ppm. IR (vmo<, KBr): 2932; 1621; 1574; 1544; 20 P. f. = 273-274 oC. 'H-NMR (300 MHz; DMSO-d,): o9.55 (s, lH); 9.37 (d, lH, J = 6.9 Hz); 8.75 (d, 1 H, J = 6.9 Hz); 8.71 (d, 1 H, J = 6.9 Hz); 8.58 (d, 1 H, J = 7.3 Hz); 8.38 (d, lH, J = 8.4 Hz); 8.34 (d, 2H, J = 8.0 Hz); 8.02 (t, p, 2H, J = 7.4 Hz); 7.52 (d, lH, J = 1.8 Hz); 7.18 (dd, 1 H, J = 8.8 Hz, J = 2.2 Hz); 5.24 (t, 2H, J = 7.3 Hz); 4.05 (s, 3 H); 2.75 (s, lH); 2.54-2.51 (m, 2H); 2.38-2.29 (m, 2H) ppm. IR (vmo <, KBr): 2932; 1621; 1574; 1544;
25 1409; 1250; 1223; 1161; 829; 678 cm-l. Análisis Elemental para CJgHJJNJÜ4S ·2H2:Ü; C: 25 1409; 1250; 1223; 1161; 829; 678 cm-l. Elemental Analysis for CJgHJJNJÜ4S · 2H2: Ü; C:
69,31 ; H: 5,52; N: 6,22; encontrado C: 69,07; H: 5,19; N: 5,91 . 69.31; H: 5.52; N: 6.22; found C: 69.07; H: 5.19; N: 5.91.
Ejemplo 25. Preparación de mesitilensulfonato de 2,3-di-(2-furil)-10-metoxi-12(pent4-inil)piridazino[1' ,6':1 ,21pirido[3 ,4-b1indol-5-i nio (Compuesto 28, Esquema Example 25. Preparation of 2,3-di- (2-furyl) -10-methoxy-12 (pent4-inyl) pyridazino [1 ', 6': 1,12-beep [3, 4-b1indole-5-i mesylenesulfonate] Child (Compound 28, Scheme
30 3) Una mezcla de 26 (0,10 g; 0,2 mmol), furilo (0,04 g; 0,2 mmol) y acetato sódico anhidro (0,016 g; 0,2 mmol) en etanol (10 mL) se calentó a reflujo durante 5 horas. La disolución resultante se concentró a sequedad y el residuo se trituró con acetona-éter 3) A mixture of 26 (0.10 g; 0.2 mmol), furyl (0.04 g; 0.2 mmol) and anhydrous sodium acetate (0.016 g; 0.2 mmol) in ethanol (10 mL) It was heated at reflux for 5 hours. The resulting solution was concentrated to dryness and the residue was triturated with acetone-ether.
dietílico. El sólido así obtenido, se filtró y se lavó sucesivamente con éter dietílico, agua y acetona. Se obtuvo un sólido color ocre (0,04 g; 43%). diethyl The solid thus obtained was filtered and washed successively with diethyl ether, water and acetone. An ocher solid (0.04 g; 43%) was obtained.
P. f. = 279-280 oC. 'H-RMN (300 MHz; CD,OD): 39,27 (s, 1H); 9,19 (d, 1H, J = 6,6 Hz); 8,75 (d, 1 H, J = 6,9 Hz); 8,36 (d, 1 H, J = 8,8 Hz); 7,95 (d, 1 H, J = 1,1 Hz); 7,91 (d, 1H, J = 2,1 Hz), 7,51 (d, 1 H, J = 1,8 Hz); 7,20 (dd, 1 H, J = 8,8 Hz, J = 2,1 Hz); 7,18 (d, 1 H, J = 3,6 Hz); 6,81 (dd, 1 H, J = 3,6 Hz, J = 1,8 Hz); 6,73 (dd, 1 H, J = 3,6 Hz, J = 1,8 Hz); 6,58 (d, 1 H, J = 3,7 Hz); 5,14 (t, 2H , J = 7,5 Hz); 4,05 (s, 3H); 2,50 (t, 1 H, J = 2,5 Hz); 2,47 (td, 2H, J = 6,6 Hz, J = 2,5 Hz); 2,34-2,26 (m, 2H) ppm. IR (vm", KBr): 2957; 1683; 1639; 1621; 1563; 1411; 1210; 1017; 824; 679; 644 cm". Análisis Elemental P. f. = 279-280 oC. 'H-NMR (300 MHz; CD, OD): 39.27 (s, 1 H); 9.19 (d, 1H, J = 6.6 Hz); 8.75 (d, 1 H, J = 6.9 Hz); 8.36 (d, 1 H, J = 8.8 Hz); 7.95 (d, 1 H, J = 1.1 Hz); 7.91 (d, 1H, J = 2.1 Hz), 7.51 (d, 1 H, J = 1.8 Hz); 7.20 (dd, 1 H, J = 8.8 Hz, J = 2.1 Hz); 7.18 (d, 1 H, J = 3.6 Hz); 6.81 (dd, 1 H, J = 3.6 Hz, J = 1.8 Hz); 6.73 (dd, 1 H, J = 3.6 Hz, J = 1.8 Hz); 6.58 (d, 1 H, J = 3.7 Hz); 5.14 (t, 2H, J = 7.5 Hz); 4.05 (s, 3 H); 2.50 (t, 1 H, J = 2.5 Hz); 2.47 (td, 2H, J = 6.6 Hz, J = 2.5 Hz); 2.34-2.26 (m, 2H) ppm. IR (vm ", KBr): 2957; 1683; 1639; 1621; 1563; 1411; 1210; 1017; 824; 679; 644 cm". Elemental Analysis
para C37H33N306S·1H20; C: 66,75; H: 5,30; N: 6,31 ; encontrado C: 66,44; H: 5,38; N: for C37H33N306S · 1H20; C: 66.75; H: 5.30; N: 6.31; found C: 66.44; H: 5.38; N:
6,25. 6.25.
Ejemplo 26. Preparación de 1,10-bis-(1-metil-7-metoxipirido[3,4-b]indol-9-il)-deca4,6-diino (Compuesto 29, Esquema 3) Example 26. Preparation of 1,10-bis- (1-methyl-7-methoxypyridido [3,4-b] indole-9-yl) -deca4,6-diino (Compound 29, Scheme 3)
Una mezcla de 25 (0,26 g; 1 mmol) y acetato cúprico (0,90 g; 5 mmol) en acetonitrilo (20 mL), se refluye durante 48 horas, se enfría la mezcla de reacción, añadiéndose a A mixture of 25 (0.26 g; 1 mmol) and cupric acetate (0.90 g; 5 mmol) in acetonitrile (20 mL), is refluxed for 48 hours, the reaction mixture is cooled, added to
la misma agua (10 mL) y amoniaco (25%) (5 mL). La mezcla se extrae con the same water (10 mL) and ammonia (25%) (5 mL). The mixture is extracted with
diclorometano (30 ml), la fase orgánica se seca con sulfato magnésico anhidro y se concentra a sequedad. El residuo obtenido se purifica mediante cromatografía en columna en gel de sílice, empleando como eluyente acetona/etanol (8:2 v/v). El producto se recristalizó en acetona, obteniendo un sólido pálido amarillo (0,12 g; 45 %). dichloromethane (30 ml), the organic phase is dried with anhydrous magnesium sulfate and concentrated to dryness. The obtained residue is purified by column chromatography on silica gel, using acetone / ethanol (8: 2 v / v) as eluent. The product was recrystallized from acetone, obtaining a pale yellow solid (0.12 g; 45%).
P. f. = 184-185 oC. 'H-RMN (300 MHz; CDCI,): 38,29 (d, 2H, J = 5,5 Hz); 7,97 (d, 2H, J = 8,8 Hz); 7,74 (d, 2H, J = 5,1 Hz); 6,89 (d, 2H, J = 2,2 Hz); 6,89 (dd, 2H, J = 8,8 Hz, J = 2,2 Hz); 4,64 (t, 4H , J = 7,3 Hz); 3,94 (s, 6H); 3,04 (s, 6H); 2,38 (t, 4H, J = 6,6 Hz); 2,13-2,04 (m, 4H) ppm. IR (vm,,, KBr): 2966; 2115; 1617; 1558; 1414; 1238; 1108; 839; P. f. = 184-185 oC. 'H-NMR (300 MHz; CDCI,): 38.29 (d, 2H, J = 5.5 Hz); 7.97 (d, 2H, J = 8.8 Hz); 7.74 (d, 2H, J = 5.1 Hz); 6.89 (d, 2H, J = 2.2 Hz); 6.89 (dd, 2H, J = 8.8 Hz, J = 2.2 Hz); 4.64 (t, 4H, J = 7.3 Hz); 3.94 (s, 6H); 3.04 (s, 6H); 2.38 (t, 4H, J = 6.6 Hz); 2.13-2.04 (m, 4H) ppm. IR (vm ,,, KBr): 2966; 2115; 1617; 1558; 1414; 1238; 1108; 839;
675 cm-1. Análisis elemental: Calculado para C36H34N402; C: 77,95; H: 6,18; N: 10,10; encontrado C: 77,71; H: 6,33; N: 9,84. 675 cm-1. Elemental analysis: Calculated for C36H34N402; C: 77.95; H: 6.18; N: 10.10; found C: 77.71; H: 6.33; N: 9.84.
Ejemplo 27. Preparación de dimesitilensulfonato de 9,9'-(deca-4,6-diin-1,10-diil)bis-(2-amino-1-metil-7 -metoxipirido[3,4-b]indol-2-inio) (Compuesto 30, Esquema Example 27. Preparation of 9.9 '- (deca-4,6-diin-1,10-diyl) bis- (2-amino-1-methyl-7-methoxypyridide [3,4-b] indole) dimesylenesulfonate 2-in.) (Compound 30, Scheme
3) 3)
A una suspensión de 29 (0,55 g; 1 mmol) en diclorometano (5 mL), con agitación constante y a temperatura ambiente, se añadió gota a gota una disolución de 0mesitilensulfonato de hidroxilamina (MSH) (3 mL) en dicloromelano (2 mL). La mezcla se agitó a temperatura ambiente durante 1 hora, añadiéndose éter dietílico para favorecer la precipitación de la sal. El sólido se filtró y se lavó sucesivamente con acetona y diclorometano, recristalizándose en etanol. Se obtiene un sólido blanco To a suspension of 29 (0.55 g; 1 mmol) in dichloromethane (5 mL), with constant stirring and at room temperature, a solution of 0-methylethenesulfonate of hydroxylamine (MSH) (3 mL) in dichloromethane (2 mL) was added dropwise mL) The mixture was stirred at room temperature for 1 hour, adding diethyl ether to favor salt precipitation. The solid was filtered and washed successively with acetone and dichloromethane, recrystallized from ethanol. A white solid is obtained
5 (0,55 g; 90%) . 5 (0.55 g; 90%).
P. f. = 250-251 oC. 'H-RMN (300 MHz; DMSO-d,): i5 8,54 (d, 2H, J = 6,6 Hz); 8,43 (d, 2H, J = 6,9 Hz); 8,30 (d, 2H, J = 9,2 Hz); 7,67 (s, 4H); 7,35 (d, 2H, J = 1,8 Hz); 7,05 (dd, 2H, J = 8,8 Hz, J = 1,8 Hz); 4,70 (1, 4H , J = 7,3 Hz); 3,94 (s, 6H); 3,13 (s, 6H); 2,47-2,43 (m, 4H); 2,02-1,97 (m, 4H) ppm. IR (vm.., K8r): 3432; 3252; 3139; 2934; P. f. = 250-251 oC. 'H-NMR (300 MHz; DMSO-d,): i5 8.54 (d, 2H, J = 6.6 Hz); 8.43 (d, 2H, J = 6.9 Hz); 8.30 (d, 2H, J = 9.2 Hz); 7.67 (s, 4H); 7.35 (d, 2H, J = 1.8 Hz); 7.05 (dd, 2H, J = 8.8 Hz, J = 1.8 Hz); 4.70 (1.4H, J = 7.3 Hz); 3.94 (s, 6H); 3.13 (s, 6H); 2.47-2.43 (m, 4H); 2.02-1.97 (m, 4H) ppm. IR (vm .., K8r): 3432; 3252; 3139; 2934;
10 2328; 1624; 1573; 1456; 1249; 1228; 1167; 1085; 1014; 816; 679 cm" . Analisis 10 2328; 1624; 1573; 1456; 1249; 1228; 1167; 1085; 1014; 816; 679 cm. "Analysis
elemental: Calculado para C54HsoN60 SS2; C: 65,83, H: 6,14, N: 8,53; encontrado: C: Elementary: Calculated for C54HsoN60 SS2; C: 65.83, H: 6.14, N: 8.53; Found: C:
65,57, H: 6,22, N: 8,40. 65.57, H: 6.22, N: 8.40.
15 diil)-bis-(2,3-dietil-1 O-metoxipiridazino[1 ',6': 1 ,2]pirido[3,4-b]indol-5-inio) (Compuesto 31 , Esquema 3) Una mezcla de 30 (0,10 g; 0,1 mmol), 3,4-hexanodiona (0,025 g; 0,2 mmol), acetato sódico anhidro (0,008 g; 0,1 mmol) y etanol (10 mL), se calentó a reflujo durante 24 horas. La disolución resultante se concentró a sequedad, triturándose el residuo en Diyl) -bis- (2,3-diethyl-1 O-methoxypyridazino [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inium) (Compound 31, Scheme 3) A mixture of 30 (0.10 g; 0.1 mmol), 3,4-hexanedione (0.025 g; 0.2 mmol), anhydrous sodium acetate (0.008 g; 0.1 mmol) and ethanol (10 mL), are heated to reflux for 24 hours. The resulting solution was concentrated to dryness, the residue triturated in
20 una mezcla acetona-éter dietílico y lavándose con la mínima cantidad de agua fría (1 mL), secándose finalmente a vacío. Se obtiene un sólido (0,06 g; 52%). 20 an acetone-diethyl ether mixture and washing with the minimum amount of cold water (1 mL), finally drying under vacuum. A solid is obtained (0.06 g; 52%).
p, f. = 292-293 oC, ' H-RMN (300 MHz; CD30D,CF3COOD): i5 9,10 (d, 2H, J = 6,6 Hz); 8,73 (s, 2H); 8,64 (d, 2H, J = 6,9 Hz); 8,28 (d, 2H, J = 8,8 Hz); 7,22 (d, 2H, J = 2,5 Hz); 7,13 (dd, 2H, J = 8,8 Hz, J = 2,2 Hz); 5,73 (t, 4H, J = 7,5 Hz); 3,99 (s, 6H); 3,16 (e, 4H, 25 J = 7,3 Hz); 3,05 (e, 4H, J = 7,3 Hz); 2,48-2,45 (m, 4H); 2,25-2,18 (m, 4H); 1,51-1,45 (m, 12H) ppm, IR (vm,,, K8r): 2954; 1619; 1558; 1414; 1202; 1178; 1085; 679 cm" . p, f. = 292-293 oC, 'H-NMR (300 MHz; CD30D, CF3COOD): i5 9.10 (d, 2H, J = 6.6 Hz); 8.73 (s, 2H); 8.64 (d, 2H, J = 6.9 Hz); 8.28 (d, 2H, J = 8.8 Hz); 7.22 (d, 2H, J = 2.5 Hz); 7.13 (dd, 2H, J = 8.8 Hz, J = 2.2 Hz); 5.73 (t, 4H, J = 7.5 Hz); 3.99 (s, 6H); 3.16 (e, 4H, 25 J = 7.3 Hz); 3.05 (e, 4H, J = 7.3 Hz); 2.48-2.45 (m, 4H); 2.25-2.18 (m, 4H); 1.51-1.45 (m, 12H) ppm, IR (vm ,,, K8r): 2954; 1619; 1558; 1414; 1202; 1178; 1085; 679 cm. "
Análisis elemental: Calculado para C66HnN60gS2·1H20; C: 68,37; H: 6,43; N: 7,25; encontrado: C: 68,04; H: 6,69; N: 7,43. Elemental analysis: Calculated for C66HnN60gS2 · 1H20; C: 68.37; H: 6.43; N: 7.25; Found: C: 68.04; H: 6.69; N: 7.43.
30 Ejemplo 29. Determinación de la viabilidad celular de la línea THP-1 preincubada durante 24 h con concentraciones crecientes de diversos compuestos (Fig. 1) La línea pro-monocitica humana THP-1 se incubó durante 24 h en medio de cultivo RPMI-1640 (Lanza) suplementado con 5% de suero fetal bovino (F8S) y Example 29. Determination of the cell viability of the THP-1 line pre-incubated for 24 h with increasing concentrations of various compounds (Fig. 1) The human pro-monocytic THP-1 line was incubated for 24 h in RPMI-culture medium 1640 (Spear) supplemented with 5% fetal bovine serum (F8S) and
concentraciones crecientes de los compuestos 24 (Fig . 1A), 17 (Fig. 18), 7 (Fig. 1C), 23 (Fig. 10) Y 22 (Fig. 1E). Para determinar el efecto de la estimulación celular sobre la viabilidad, duplicados de los cultivos se estimularon con 100 ng/mL de lipopolisacárido bacteriano (LPS, SIGMA-Aldrich) durante las últimas 4 horas. increasing concentrations of compounds 24 (Fig. 1A), 17 (Fig. 18), 7 (Fig. 1C), 23 (Fig. 10) and 22 (Fig. 1E). To determine the effect of cell stimulation on viability, duplicates of the cultures were stimulated with 100 ng / mL of bacterial lipopolysaccharide (LPS, SIGMA-Aldrich) during the last 4 hours.
La viablilidad celular se determinó en cada caso por citometría de flujo mediante el porcentaje de exclusión de yoduro de propidio añadido a una concentración final de 0,5 ¡.Jg/mL. El análisis mediante citometría de flujo se llevó a cabo en un citómetro FACSCalibur con el software CellQuest Pro (SO Bioscience, San José, CA, USA). Cellular viability was determined in each case by flow cytometry by the percentage of exclusion of propidium iodide added to a final concentration of 0.5 µg / mL. The analysis by flow cytometry was carried out in a FACSCalibur cytometer with the CellQuest Pro software (SO Bioscience, San José, CA, USA).
Los compuestos 24 y 7 no afectaron a la viabilidad celular en un rango de concentraciones de 10l-lM -100I-lM. Los compuestos 23, 22 Y 17 mostraron toxicidad a concentraciones superiores a 10J.lM. Compounds 24 and 7 did not affect cell viability in a concentration range of 10l-lM -100I-lM. Compounds 23, 22 and 17 showed toxicity at concentrations greater than 10J.lM.
15 Ejemplo 30. Producción de TNF-a inducida por LPS (100 ng/ml) en la línea celular promonocitica humana THP-1 en presencia de concentraciones crecientes de los diferentes compuestos (Fig. 2) Células THP-1 se cultivaron durante 24 h en RPMI/5% FCS en ausencia o presencia de concentraciones crecientes de los diferentes compuestos elegidas dentro de los Example 30. Production of LPS-induced TNF-a (100 ng / ml) in the human promonocytic THP-1 cell line in the presence of increasing concentrations of the different compounds (Fig. 2) THP-1 cells were cultured for 24 h in RPMI / 5% FCS in the absence or presence of increasing concentrations of the different compounds chosen within the
20 rangos que no mostraron citotoxicidad. Se estimularon con 100 ng/ml de LPS durante las últimas 4 horas de cultivo. La determinación de las concentraciones de la citoquina pro-inflamatoria TNF-a en el sobrenadante de los cultivos se realizó mediante Human TNF EUSA Set (BD Bioscience) siguiendo las instrucciones del fabricante. Se realizó una recta patrón con concentraciones conocidas de la proteína recombinante humana. 20 ranges that showed no cytotoxicity. They were stimulated with 100 ng / ml of LPS during the last 4 hours of culture. The concentrations of the pro-inflammatory cytokine TNF-a in the culture supernatant were determined by Human TNF EUSA Set (BD Bioscience) following the manufacturer's instructions. A straight pattern was made with known concentrations of the human recombinant protein.
25 La absorbancia se midió a 450 nm en el lector de placas Synergy 4 analizando los resultados con el software Gen 5 (Biotek). The absorbance was measured at 450 nm in the Synergy 4 plate reader by analyzing the results with the Gen 5 software (Biotek).
Se muestran los valores (pg/ml de TNF-a/105 células) como media ± SD de 5 experimentos realizados con el compuesto 24 (Fig . 2A), media ± SD de 9 Values (pg / ml of TNF-a / 105 cells) are shown as mean ± SD of 5 experiments performed with compound 24 (Fig. 2A), mean ± SD of 9
30 experimentos realizados con el compuesto 17 (Fig . 28), media de 2 experimentos realizados con el compuesto 7 (Fig. 2C), media de 2 experimentos realizados con el compuesto 23 (Fig. 2D) Y media ± SD de 3 experimentos realizados con el compuesto 22 (Fig. 2E). 30 experiments performed with compound 17 (Fig. 28), mean of 2 experiments performed with compound 7 (Fig. 2C), mean of 2 experiments performed with compound 23 (Fig. 2D) and mean ± SD of 3 experiments performed with compound 22 (Fig. 2E).
Los 5 compuestos provocaron una disminución de la producción de TNF-(l inducida por LPS. Los mejores resultados en función de la dosis-respuesta se obtuvieron en presencia del compuesto 17. The 5 compounds caused a decrease in the production of TNF- (1 induced by LPS. The best results depending on the dose-response were obtained in the presence of compound 17.
A continuación se muestra en la tabla 1 la inhibición de la producción de TNF-o. de los compuestos anteriores y de algunos compuestos más: The inhibition of TNF-o production is shown in Table 1 below. of the above compounds and some other compounds:
Tabla 1.-Inhibición (%) de la producción de TNF-a por compuestos de Fórmulas (1) y (111). Table 1.-Inhibition (%) of the production of TNF-a by compounds of Formulas (1) and (111).
10 Ejemplo 31. Efecto del compuesto 17 sobre la producción de TNF-a estimulada por lPS en células mononucleares de sangre periféfica (PBMCs) (Fig. 3) Las células mononucleares de sangre periférica (PBMCs) se aislaron a partir de donaciones de sangre de individuos sanos mediante centrifugación en gradiente de 10 Example 31. Effect of compound 17 on the production of TNF-a stimulated by lPS in peripheral blood mononuclear cells (PBMCs) (Fig. 3) Peripheral blood mononuclear cells (PBMCs) were isolated from blood donations from healthy individuals by gradient centrifugation of
15 ncoll (Amersham Biosciences). Se cultivaron en RPMII100/0 FeS durante 24 h en presencia de concentraciones crecientes del compuesto 17 y se estimularon con 10 ng/mL de LPS durante las últimas 4 horas de cultivo. El TNF-(l secretado se evaluó en los sobrenadantes de cultivo mediante ELlSA como en el caso anterior. Los resultados 15 ncoll (Amersham Biosciences). They were grown in RPMII100 / 0 FeS for 24 h in the presence of increasing concentrations of compound 17 and stimulated with 10 ng / mL of LPS during the last 4 hours of culture. The TNF- (l secreted was evaluated in the culture supernatants by ELlSA as in the previous case. The results
- (pg/ml de TNF-cu' 105 independientes. (pg / ml of independent TNF-cu '105.
- células) se expresan como media ± SO de 5 experimentos cells) be express how half ± SO from 5 experiments
- S S
- A bajas concentraciones (O.1I-lM-1 JlM) la respuesta inlerindividual fue muy variable. Sin embargo a 5 y 10 ~lM se observó una inhibición de la producción de TNF en todos los cultivos. At low concentrations (O.1I-lM-1 JlM) the inler-individual response was very variable. However, at 5 and 10 µM an inhibition of TNF production was observed in all cultures.
- 10 15 10 15
- Ejemplo 32. Efecto del compuesto 17 sobre la producción de TNF-a. estimulada por lPS en monocitos aislados de sangre periférica de individuos sanos (Fig. 4) Se aislaron monocitos (células CD14+) a partir de PBMCs de individuos sanos utilizando microesferas magnéticas asociadas a anticuerpo anti-CD14 humano (Miltenyi Biotec). Las separaciones celulares se realizaron con el sistema automático AutoMacs o de forma manual con columnas magnéticas (Miltenyi Biotec). Se verificó mediante citometría de flujo que en todos los casos la pureza era superior al 90% en las fracciones celulares separadas. Example 32. Effect of compound 17 on the production of TNF-a. lPS stimulated in monocytes isolated from peripheral blood of healthy individuals (Fig. 4) Monocytes (CD14 + cells) were isolated from PBMCs of healthy individuals using magnetic microspheres associated with human anti-CD14 antibody (Miltenyi Biotec). Cell separations were performed with the AutoMacs automatic system or manually with magnetic columns (Miltenyi Biotec). It was verified by flow cytometry that in all cases the purity was greater than 90% in the separated cell fractions.
- 20 twenty
- Una vez aislados se cultivaron en RPMII10% FeS durante 24 h en presencia de concentraciones crecientes del compuesto 17 y se estimularon con 10 ng/ml de LPS durante las últimas 4 horas de cultivo. El TNF-ct secretado se evaluó en los sobrenadantes de cultivo mediante EUSA como en el caso anterior. Los resultados (pg/ml de TNF-cu' 105 células) se expresan como media ± SD de 8 experimentos independientes. Once isolated, they were cultured in RPMII10% FeS for 24 h in the presence of increasing concentrations of compound 17 and stimulated with 10 ng / ml of LPS during the last 4 hours of culture. The secreted TNF-ct was evaluated in the culture supernatants by EUSA as in the previous case. The results (pg / ml of TNF-cu '105 cells) are expressed as mean ± SD of 8 independent experiments.
- 25 25
- En monocitos aislados se observó inhibición de la producción de TNF-a en los cultivos pretratados con el compuesto 17 a una concentración final de 1 o 10 ).1M. In isolated monocytes inhibition of TNF-a production was observed in cultures pretreated with compound 17 at a final concentration of 1 or 10) .1M.
- 30 30
- Ejemplo 33. Cálculo de la concentración inhibidora al 50% (lC50) para el compuesto 17 en células THP-l (Fig. 5) Tomando como referencia la concentración de TNF-a secretada al medio estimulada mediante el tratamiento de 4 horas con 100 ng/mL de LPS en ausencia de compuesto, se ha calculado el porcentaje de inhibición para cada una de las concentraciones testadas del compuesto 17 en cada experimento y se ha calculado la media del porcentaje de inhibición para cada concentración en los 9 experimentos realizados. Con estos valores se ha elaborado una recta de regresión para interpolar el 50% de Example 33. Calculation of the 50% inhibitory concentration (lC50) for compound 17 in THP-1 cells (Fig. 5) Taking as reference the concentration of TNF-a secreted to the stimulated medium by treating 4 hours with 100 ng / mL of LPS in the absence of compound, the percentage of inhibition has been calculated for each of the concentrations tested of compound 17 in each experiment and the average percentage of inhibition for each concentration in the 9 experiments performed has been calculated. With these values a regression line has been drawn up to interpolate 50% of
inhibición que en este caso correspondería a una concentración de 4,49 JlM del compuesto 17 durante 20 h previas a la estimulación. inhibition that in this case would correspond to a concentration of 4.49 JlM of compound 17 for 20 h prior to stimulation.
Ejemplo 34. Cálculo de la concentración inhibidora al 50% (leso) para el Example 34. Calculation of 50% inhibitory concentration (leso) for
5 compuesto 17 en PBMCs (Fig. 6) Tomando como referencia la concentración de TNF-(.( secretada al medio estimulada mediante el tratamiento de 4 hora s con 10 ng/mL de LPS en ausencia de compuesto, se ha calculado el porcentaje de inhibición para cada una de las concentraciones testadas del compuesto 17 como en el caso anterior. La concentración calculada en 5 compound 17 in PBMCs (Fig. 6) Taking as a reference the concentration of TNF - (. (Secreted to the stimulated medium by treating 4 hours s with 10 ng / mL of LPS in the absence of compound, the percentage of inhibition for each of the tested concentrations of compound 17 as in the previous case The concentration calculated in
10 PBMCs es de 1,83).1M de compuesto 17 durante 20 h previas a la estimulación. 10 PBMCs is 1.83) .1M of compound 17 for 20 h prior to stimulation.
Tabla 2. -Inhibición (%) de la producción de TNF-o. por el compuesto 17 Table 2. -Inhibition (%) of TNF-o production. for compound 17
- % Inhibición TNF-C( en PBMCs % TNF-C inhibition (in PBMCs
- Compuesto (ejemplo) Compound (example)
- 0. 1 ~M 1~M 5~M 1O~M 25~M 50~M 100~ M le", (~M) 0. 1 ~ M 1 ~ M 5 ~ M 1O ~ M 25 ~ M 50 ~ M 100 ~ M le ", (~ M)
- 17 (15) 17 (15)
- 22.7 38.8 71.2 69.2 3.91 22.7 38.8 71.2 69.2 3.91
15 Ejemplo 35. Cálculo de la concentración inhibidora al 50% (lC50) para el compuesto 17 en monocitos humanos aislados de sangre periférica (Fig. 7) Tomando como referencia la concentración de TNF-C( secretada al medio estimulada mediante el tratamiento de 4 horas con 10 ng/mL de LPS en ausencia de compuesto, se ha calculado el porcentaje de inhibición para cada una de las concentraciones Example 35. Calculation of the 50% inhibitory concentration (lC50) for compound 17 in human monocytes isolated from peripheral blood (Fig. 7) Taking as reference the concentration of TNF-C (secreted to the medium stimulated by the treatment of 4 hours with 10 ng / mL of LPS in the absence of compound, the percentage of inhibition for each of the concentrations has been calculated
20 testadas del compuesto 17 como en el caso anterior. La concentración calculada en monocitos humanos (células CD14+) en cultivo es de 3,22 )lM de compuesto 17 durante 20 h previas a la estimulación. 20 tests of compound 17 as in the previous case. The concentration calculated in human monocytes (CD14 + cells) in culture is 3.22) lM of compound 17 for 20 h prior to stimulation.
Tabla 3.-Inhibición (%) de la producción de TNF-C( por el compuesto 17 25 Table 3.-Inhibition (%) of TNF-C production (by compound 17 25
- % Inhibición TNF-C( en monocitos humanos % TNF-C inhibition (in human monocytes
- Compuesto (ejemplo) Compound (example)
- 0,5~M 1~M 51lM 10~M 251lM 50~M 100~ M le", (~M) 0.5 ~ M 1 ~ M 51lM 10 ~ M 251lM 50 ~ M 100 ~ M le ", (~ M)
- 17 (15) 17 (15)
- 27 40 95.3 3.22 27 40 95.3 3.22
Ejemplo 36. Análisis del efecto de la administración in vivo del compuesto 17 (Fig.8) Para los estudios in vivo se utilizaron ratones hembra de la cepa C57BL6 (Charles Example 36. Analysis of the effect of in vivo administration of compound 17 (Fig. 8) For in vivo studies female mice of strain C57BL6 (Charles
5 River, Barcelona, España). Tras la recepción los ratones se mantuvieron en jaulas ventiladas para minimizar la infección por patógenos. Los ratones utilizados tenían 8-9 semanas de edad y un peso aproximado de 20 gr. 5 River, Barcelona, Spain). Upon receipt, the mice were kept in ventilated cages to minimize infection by pathogens. The mice used were 8-9 weeks old and weighing approximately 20 gr.
Se administraron intra-peritonealmente 2 dosis del compuesto 17 (2mg/kg en 200 ¡..LL Two doses of compound 17 (2mg / kg in 200) were administered intraperitoneally.
10 de suero salino) con un intervalo de 18h. Cuatro horas después de la segunda dosis se sacrificaron los animales, se extirparon los bazos y se disgregaron mecánicamente para obtener suspensiones celulares. Las células del bazo se cultivaron "in vitro" en RPMII10% FaS en presencia o ausencia de LPS (10ng/mL) durante 4h. Los niveles de TNF-ex. secretado se midieron en el sobrenadante de cultivo mediante citometría de 10 saline) with an interval of 18h. Four hours after the second dose the animals were sacrificed, the spleens were removed and mechanically disintegrated to obtain cell suspensions. Spleen cells were cultured "in vitro" in RPMII10% FaS in the presence or absence of LPS (10ng / mL) for 4h. TNF-ex levels. secreted were measured in the culture supernatant by cytometry of
15 flujo (CSA). Control vs LPS p= 0.0156 (·p<0.05) test de Wilcoxon. LPS vs T78d+LPS p= 0.0205 (*p<0.05) test de Mann-Whitney. 15 flow (CSA). Control vs LPS p = 0.0156 (· p <0.05) Wilcoxon test. LPS vs T78d + LPS p = 0.0205 (* p <0.05) Mann-Whitney test.
Como se aprecia en la Fig. 8 las células de ratones que han sido tratados in vivo con el compuesto 17 muestran una producción significativamente menor de TNF-a cuando As seen in Fig. 8, the cells of mice that have been treated in vivo with compound 17 show a significantly lower production of TNF-a when
20 son estimuladas con LPS. Este resultado indica que el compuesto es efectivo cuando es administrado in vivo. 20 are stimulated with LPS. This result indicates that the compound is effective when administered in vivo.
Claims (17)
- 5. 5.
- Uso según la reivindicación anterior, donde Rt es yodo o etinilo y m es 3. Use according to the preceding claim, wherein Rt is iodine or ethynyl and m is 3.
- 6. 6.
- Uso según la reivindicación 1, donde R1 es el grupo de fórmula (11) y dicho compuesto es el de fórmula general (11 1): Use according to claim 1, wherein R1 is the group of formula (11) and said compound is that of the general formula (11 1):
- 20 7. Uso según la reivindicación anterior, donde R es alquilo (Cs-C,s), alquenilo (Cs-C,s) Use according to the preceding claim, wherein R is alkyl (Cs-C, s), alkenyl (Cs-C, s)
- 25 9. Uso según cualquiera de las reivindicaciones 1 a 8, donde R2 y R3, son iguales o diferentes, y se seleccionan de entre metilo, etilo, 2-furilo o 1,8-naftodiilo. Use according to any one of claims 1 to 8, wherein R2 and R3 are the same or different, and are selected from methyl, ethyl, 2-furyl or 1,8-naphthodiyl.
- 10. 10.
- Uso según la reivindicación anterior, donde R2 y R3 son iguales. Use according to the preceding claim, wherein R2 and R3 are the same.
- 11. eleven.
- Uso según cualquiera de las reivindicaciones 1 a 10, donde ~ se selecciona de entre amino, bromo, nitro, metoxilo o benzoxilo. Use according to any one of claims 1 to 10, wherein it is selected from amino, bromine, nitro, methoxy or benzoxyl.
- 12. 12.
- Uso según cualquiera de las reivindicaciones anteriores, donde X-es haluro o mesitilensulfonalo. Use according to any of the preceding claims, wherein X-is halide or mesitylenesulfonal.
- 13. 13.
- Uso según la reivindicación anterior, donde el haluro es bromuro. Use according to the preceding claim, wherein the halide is bromide.
- 14. 14.
- Uso según la reivindicación 1, donde el compuesto se selecciona de entre: mesitilensulfonato de 9-bromo-2,3-dietil-12H-piridazino[1' ,6': 1 ,2]pirido[3,4-b ]indol-5¡nio, mesitilensulfonato de 2,3-dietil-12H-11-nitropiridazino[1' ,6':1,2]pirido[3,4-b]indol-5¡nio, dicloruro de 11-amonio-2,3-dietil-12H-piridazino[1 ',6':1 ,2]pirido(3,4-b]indol-5-inio, mesitilensulfonato de 10-benciloxi-12-terc-butoxicarbonil-2,3dietilpiridazino[1' ,6':1,2] pirido[3,4-b]indol-5-inio, bromuro de 2,3-dimetil-12H-1 0-metoxipiridazino[1' ,6': 1 ,2]pirido[3,4-b]indol-5-inio, mesitilensulfonato de 2,3-dietil-12H-1 0-metoxipiridazino[1' ,6':1 ,2]pirido[3,4-b]indol5-inio, bromuro de 2,3-dietil-12-etoxicarbonilmetil-1 0-metoxipiridazino[1' ,6': 1 ,2]pirido[3,4Use according to claim 1, wherein the compound is selected from: 9-bromo-2,3-diethyl-12H-pyridazino mesitylenesulfonate [1 ', 6': 1, 2] pyrido [3,4-b] indole- 5, io, 2,3-diethyl-12H-11-nitropyridazino [1 ', 6': 1,2] pyrido [3,4-b] indole-5, iolen, 11-ammonium-2 dichloride, 3-diethyl-12H-pyridazino [1 ', 6': 1, 2] pyrido (3,4-b] indole-5-inium, 10-benzyloxy-12-tert-butoxycarbonyl-2,3-diethylpyridine mesylenesulfonate [1 ' , 6 ': 1,2] pyrido [3,4-b] indole-5-inium, 2,3-dimethyl-12H-1 0-methoxypyridazino bromide [1', 6 ': 1, 2] pyrido [3 , 4-b] indole-5-inium, 2,3-diethyl-12H-1 0-methoxypyrididazino [1 ', 6': 1, 2] pyrido [3,4-b] indole-5-inio, bromide 2,3-diethyl-12-ethoxycarbonylmethyl-1 0-methoxypyridazino [1 ', 6': 1, 2] pyrido [3,4
- b]indol-5-inio, b] indole-5-inium,
- yoduro I last
- de 2,3-dietil-1 O-metoxi-12-(3-yodopropil)piridazino[1 ' ,6': 1,2Ipirido[3,4 from 2,3-diethyl-1 O-methoxy-12- (3-iodopropyl) pyridazino [1 ', 6': 1,2Ipiido [3,4
- b]indol-5-inio, b] indole-5-inium,
- bromuro bromide
- de 12-carboximetil-2,3-dietil-1 0-metoxipiridazino(1 ' ,6': 1 ,2]pirido(3,4 from 12-carboxymethyl-2,3-diethyl-1 0-methoxypyridazino (1 ', 6': 1, 2] pyrido (3,4
- b]indol-5-inio, b] indole-5-inium,
- 15. fifteen.
- Uso según la reivindicación anterior, donde el compuesto es bromuro de 2,3dimetil-12H-1 O-metaxipiridazina[1 ' ,6': 1 ,2]pirida[3,4-b ]indal-5-inia. Use according to the preceding claim, wherein the compound is 2,3-dimethyl-12H-1 O-metaxypyridazine bromide [1 ', 6': 1, 2] pyride [3,4-b] indal-5-inia.
- 16. 16.
- Uso de un compuesto de fórmula general (1) o (111) según se describen en cualquiera de las reivindicaciones anteriores, para la elaboración de un medicamento para el tratamiento y/o prevención de enfermedades inflamatorias. Use of a compound of general formula (1) or (111) as described in any of the preceding claims, for the preparation of a medicament for the treatment and / or prevention of inflammatory diseases.
- 17. 17.
- Uso según la reivindicación anterior, donde las enfermedades inflamatorias se seleccionan de la lista que comprende artritis reumatoide, artritis psoriásica, artritis idiopática autoinmune, osteoartritis, enfermedad de Crohn, colitis ulcerosa, uveitis, asma, bronquitis, enfermedad obstructiva de las vías respiratorias crónica, psoriasis, rinitis alérgica, espondilitis anquilosante, hidradenitis supurativa, dermatitis y procesos inflamatorios asociados a una enfermedad renal. Use according to the preceding claim, wherein the inflammatory diseases are selected from the list comprising rheumatoid arthritis, psoriatic arthritis, idiopathic autoimmune arthritis, osteoarthritis, Crohn's disease, ulcerative colitis, uveitis, asthma, bronchitis, chronic obstructive airways disease, psoriasis, allergic rhinitis, ankylosing spondylitis, hydradenitis suppurativa, dermatitis and inflammatory processes associated with kidney disease.
- 18. 18.
- Compuesto seleccionado de la lista que comprende: Compound selected from the list comprising:
- 19. 19.
- Composición farmacéutica que comprende un compuesto descrito en la reivindicación 18 y un vehículo farmacéuticamente aceptable. Pharmaceutical composition comprising a compound described in claim 18 and a pharmaceutically acceptable carrier.
- 20. twenty.
- Uso del compuesto según la reivindicación 18, para la elaboración de un medicamento. Use of the compound according to claim 18, for the preparation of a medicament.
- yoduro I last
- de 2,3-dietil-1 0-metoxi-12-(3-yodopropil)piridazino[1 ' ,6': 1 ,2]pirido[3,4 from 2,3-diethyl-1 0-methoxy-12- (3-iodopropyl) pyridazino [1 ', 6': 1, 2] pyrido [3,4
- b]indal-5-inia y b] indal-5-inia and
- bromuro bromide
- de 12-carboximetil-2,3-dietil-1 0-metoxipiridazino[1 ' ,6': 1,2]pirido[3,4 from 12-carboxymethyl-2,3-diethyl-1 0-methoxypyridazino [1 ', 6': 1,2] pyrido [3,4
- b]indol-5-inio. b] indole-5-inium.
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|---|---|---|---|
| ES201331143A ES2529865B8 (en) | 2013-07-25 | 2013-07-25 | USE OF COMPOUNDS DERIVED FROM SIRES OF PIRIDAZINO [1 ', 6': 1,2] PIRIDO [3,4-b] INDOLINIO AS ANTI-INFLAMMATORY AGENTS |
| PCT/ES2014/070603 WO2015011331A1 (en) | 2013-07-25 | 2014-07-25 | Use of compounds derived from pyridazino[1',6':1,2]pyrido[3,4-b]indole and pyridazino[3,2-b]benzimidazole salts as anti-inflammatory agents |
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| ES201331143A ES2529865B8 (en) | 2013-07-25 | 2013-07-25 | USE OF COMPOUNDS DERIVED FROM SIRES OF PIRIDAZINO [1 ', 6': 1,2] PIRIDO [3,4-b] INDOLINIO AS ANTI-INFLAMMATORY AGENTS |
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| WO2019100062A1 (en) | 2017-11-20 | 2019-05-23 | Ichan School Of Medicine At Mount Sinai | Kinase inhibitor compounds and compositions and methods of use |
| JP2021510153A (en) | 2018-01-05 | 2021-04-15 | アイカーン スクール オブ メディシン アット マウント サイナイ | Methods, Therapeutic Methods, and Compositions to Increase Pancreatic Beta Cell Proliferation |
| WO2019183245A1 (en) | 2018-03-20 | 2019-09-26 | Icahn School Of Medicine At Mount Sinai | Kinase inhibitor compounds and compositions and methods of use |
| WO2021174024A1 (en) | 2020-02-28 | 2021-09-02 | First Wave Bio, Inc. | Methods of treating iatrogenic autoimmune colitis |
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