WO1998025925A1 - Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent - Google Patents
Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent Download PDFInfo
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- WO1998025925A1 WO1998025925A1 PCT/FR1997/002248 FR9702248W WO9825925A1 WO 1998025925 A1 WO1998025925 A1 WO 1998025925A1 FR 9702248 W FR9702248 W FR 9702248W WO 9825925 A1 WO9825925 A1 WO 9825925A1
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- dihydroindolizine
- hydroxy
- pyridin
- tetrahydroindolizine
- chloro
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/12—Antivirals
- A61P31/20—Antivirals for DNA viruses
- A61P31/22—Antivirals for DNA viruses for herpes viruses
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
Definitions
- the present invention relates to new pyrrole derivatives of general formula:
- TNF ⁇ Tuour Necrosis Factor alpha
- Herpes viruses in the herpes family are the cause of many conditions, some of which can be very serious. It includes in particular the herpes viruses of the ⁇ , ⁇ , and ⁇ group, including the Herpes simplex 1 and 2 viruses, varicella-zoster, cytomegalovirus (CMV), herpes viruses of type 6 and 7 (HHV-6 and HHV-7 ), Epstein-Barr virus and herpesvirus type 8 (HHV-8).
- CMV cytomegalovirus
- HHV-6 and HHV-7 herpes viruses of type 6 and 7
- Epstein-Barr virus Epstein-Barr virus
- Herpesvirus type 8 HHV-8.
- the clinical forms due to an infection by Herpes simplex can vary from benign forms like cold sores to more serious forms like genital herpes. Herpes simplex can even be responsible for life-threatening encephalitis.
- Varicella zoster is the virus responsible for chickenpox and shingles, and can also cause more serious conditions, including encephalitis.
- Cytomegalovirus infections are generally asymptomatic in healthy subjects, but can be the cause of morbidity [retinitis (which can lead to blindness), pneumonia ...] and mortality in immunocompromised subjects (patients with AIDS or any other i munodeficiency, for example after organ transplantation or after cancer chemotherapy). Cytomegalovirus is also responsible for severe clinical manifestations for the fetus or newborn in the case of a primary infection during pregnancy or during the transfusion of seropositive blood into an HIV-negative newborn.
- Herpes virus HHV-6 and -7 are responsible for roseola and can be reactivated in immunocompromised patients. The HHV-8 virus is involved in Kaposi's sarcoma.
- Cytokines are capable of activating various viruses and / or retroviruses, for example cytomegalovirus or Human Immunodeficiency Virus (HIV), and are also capable of activating cellular genes, in particular those involved in inflammatory processes like the genes of chemokines, cytokines, and adhesion molecules.
- viruses and / or retroviruses for example cytomegalovirus or Human Immunodeficiency Virus (HIV)
- HIV Human Immunodeficiency Virus
- EP 118 321 EP 147 317 and EP 124 384 and in French application 2 539 417 have been described derivatives of pyrrole having antithrombotic activity or serving as intermediates for the preparation of antithrombotic derivatives.
- French application 2,735,476 have been described pyrrole derivatives having anti-TNF activity.
- - R ⁇ is a carboxamide, cyano, carboxy, alkyloxycarbonyl, acetyl or imidazolylcarbonyl radical,
- R 3 is a hydrogen or halogen atom, or an alkyl or hydroxy radical
- Het is a pyridyl, pyridyl N-oxide or thiazolyl radical
- connection - is a simple connection
- R2 is a hydrogen or halogen atom, or a cyano, alkyl, alkyloxy or trihalomethyl radical,
- R4 is a hydrogen atom
- R5 is a hydroxy, alkyloxy, amino, or haloacylamino radical, or else
- R2 is a hydrogen or halogen atom, or a cyano, alkyl, alkyloxy, alkenyl or trihalomethyl radical,
- R4 is a hydrogen or halogen atom or an alkyloxy or alkylthio radical optionally substituted by carboxy, alkyloxycarbonyl, amino, alkylamino, dialkylamino, the alkyl parts of which may form, with the nitrogen atom to which they are attached, a 4- to 6-membered heterocycle which may also comprise another heteroatom chosen from nitrogen, oxygen or sulfur, or phthalimido, and R5 is an atom of hydrogen,
- R2 cannot be chlorine when simultaneously R4 and R 5 are hydrogen, and that R ⁇ is cyano or carboxamido, and Het-R 3 is pyridyl-3 optionally substituted by fluorine in position -2, or else when simultaneously R4 is halogen, R5 is hydrogen, and that R] _ is cyano or carboxamido and Het-R 3 is pyridyl- 3 substituted by methyl, chlorine or fluorine in position -2 or that R ⁇ is alkyloxycarbonyl or acetyl and that Het-R 3 is pyridyle -3,
- alkyl radicals being straight or branched and containing 1 to 4 carbon atoms and the acyl and alkenyl radicals being straight or branched and containing 2 to 4 carbon atoms.
- the halogen atoms are chosen from fluorine, chlorine, bromine or iodine.
- the heterocycles are for example chosen from the morpholine, thiomorpholine, piperidine, pyrrolidine, piperazine, N-alkyl-piperazine (for example N-methyl-piperazine), or azetidine rings.
- the preparation of the products of general formula (I) is carried out by preparation of a nitrile intermediate of general formula:
- R2 is defined as above except for representing a halogen atom
- R'- j _ is a cyano or alkyloxycarbonyl radical
- Hal is a halogen atom (for example a chlorine atom) on an acid of general formula:
- Het and R are defined as above, followed by steps for setting up the double bond and / or the radicals R 4 and R5 and / or optionally R2, and where appropriate the transformation of the nitrile into amide, into acid , ester, imidazole radical or acetyl radical, or if necessary the transformation of the ester radical into acid, imidazole radical or acetyl radical, by all known methods which do not alter the rest of the molecule.
- the known methods may in particular be methods described in the patent applications cited above, or the methods described in the examples which follow, or analogous to these methods.
- reaction of the product of general formula (II) with the acid of general formula (III) is generally carried out by means of the salt of the acid (sodium salt for example), in acetic anhydride at a temperature between 80 and 130 ° C, or in the paratoluenesulfochloride.
- the product obtained is subjected to treatment with sulfonyl chloride isocyanate at a temperature between 0 and 10 ° C in an organic solvent such as acetonitrile.
- the derivative of general formula (IV) obtained is treated beforehand according to the method described in French application 2,735,476, or by any method analogous thereto.
- the halogenation of the intermediate of general formula (IV) for which R2 is hydrogen is carried out, by an N-halogenisuccinimide , followed by a reduction of the product obtained for example by catalytic hydrogenation in an acid medium, in the presence of palladium on carbon.
- the halogenation is carried out with 1 or 3 equivalents of N-halogenosuccinimide (for example N-chlorosuccinimide).
- N-halogenosuccinimide for example N-chlorosuccinimide.
- the operation is advantageously carried out in a chlorinated solvent (dichloromethane or dichloroethane for example) or in a nitrile (acetonitrile for example) at the reflux temperature of the reaction mixture.
- the halogenation of the intermediate of general formula (IV) is carried out by a N-halogenosuccinimide, followed by the reduction of the product obtained for example by catalytic hydrogenation in an acid medium, in the presence of palladium, to obtain an intermediate of general formula:
- the derivative of general formula (V) can be either reduced to obtain a derivative for which R5 is a hydroxy radical and then, if necessary, dehydrated to obtain the product for which - is a double bond and R and R5 are hydrogen atoms, either transformed into imine and then reduced to amine according to known methods, or treated with a trialkylester then reduced, for example by catalytic hydrogenation in an acid medium and in the presence of palladium.
- the halogenation is carried out with 4 or 5 equivalents of N-halosuccinimide (for example N-chlorosuccinimide), according to that one starts from the intermediate of general formula (IV) for which R2 is or is not hydrogen.
- N-halosuccinimide for example N-chlorosuccinimide
- the operation is advantageously carried out in a chlorinated solvent (dichloromethane or dichloroethane for example) or in a nitrile (acetonitrile for example) at the reflux temperature of the reaction mixture.
- the reduction of the ketone function to hydroxy can be carried out with an alkaline borohydride, for example sodium cyanoborohydride, in an alcoholic medium at a temperature between 20 and 40 ° C.
- Dehydration can be carried out with an acid such as in particular acid p. toluenesulfonique in an organic solvent such as toluene for example, at the reflux temperature of the reaction mixture.
- the transformation of the ketone function into imine can be obtained for example by application or adaptation of the methods described in Org. Synth., 5_, 191; Org. Synth., 54_, 46 or Synthesis ⁇ _ ⁇ 2), 629 1985).
- the reduction to the amine can be carried out by application or by analogy with the methods described in J. Org. Chem. , 5L, 3635 (1986) or J. Med. Chem., 1_, 381 (1964).
- the transformation of the ketone function into alkyloxy can be carried out by treatment with an orthoformate trialkyl, for example trimethyl orthoformate, in an alcoholic medium at the reflux temperature of the reaction mixture.
- an orthoformate trialkyl for example trimethyl orthoformate
- the halogenation of the intermediate of general formula (IV) is carried out with an N-halosuccinimide, followed where appropriate by treatment with an alcoholate or a thiolate.
- the halogenation is carried out with 2 or 3 equivalents of N-halosuccinimide, depending on whether or not it is desired to obtain a product for which R2 is a halogen atom (from the corresponding derivative for which R2 is an atom of hydrogen).
- the operation is advantageously carried out in a chlorinated solvent (dichloromethane or dichloroethane for example) or in a nitrile (acetonitrile for example) at the reflux temperature of the reaction mixture.
- the hydrolysis of the nitrile to amide is carried out according to known methods, in particular by heating in an alkaline medium in an organic solvent, for example t.butanol at a temperature between 30 and 85 ° C., or in concentrated acid medium at a temperature between 20 and 100 ° C.
- an organic solvent for example t.butanol
- concentrated acid medium at a temperature between 20 and 100 ° C.
- the hydrolysis of the ester or nitrile to acid is carried out according to known methods, in particular in basic medium in an alcohol with high boiling point, for example in the presence of potassium hydroxide in ethylene glycol, at a temperature between 100 ° C and the reflux temperature of the reaction mixture.
- the transformation of the acid function into an imidazole radical is carried out in a solvent such as tetrahydrofuran at a temperature between 20 and 40 ° C.
- the oxidation of the pyridyl radical to the pyridyl N-oxide is carried out by any oxidation method which does not alter the rest of the molecule.
- the procedure is carried out by means of a peracid such as chloroperbenzoic acid, in an alcoholic medium (ethanol for example) at a temperature between 15 and 30 ° C.
- the derivatives of general formula (I) When - is a single bond, the derivatives of general formula (I) have stereoisomeric forms. These shapes are separate by known methods, in particular by chromatography on a chiral phase. It is understood that the present invention also relates to the stereoisomers of the products of general formula (I) when they exist as well as their mixtures.
- salts formed with mineral acids hydroochlorides, hydrobromides, sulfates, nitrates, phosphates
- organic acids succinates, fumarates, tartrates, acetates, propionates, maleates, citrates, methanesulfonates, p. toluenesulfonates, isethionates, or with substitution derivatives of these compounds.
- the present invention also relates to the pyrrole derivatives of general formula (I) but in which when is a double bond R2 is a chlorine atom when simultaneously R is hydrogen or halogen, R5 is hydrogen, and when R ⁇ is cyano, carboxamido, alkyloxycarbonyl or acetyl, and Het-R is pyridyl-3 optionally substituted by methyl, chlorine, or fluorine in position -2 [hereinafter called structure (I ')], for their use as a medicament.
- structure (I ') hereinafter called structure (I ')
- the technique used consists in measuring the cytopathogenic effect of the herpes virus and its protection by using products of general formula (I). Antiviral activity is assessed by measuring the CI ⁇ Q (concentration necessary to inhibit 50% of the cytopathic effect induced by the virus).
- the activity of the products according to the invention on human cytomegalovirus was studied on the Davis and AD -169 strains.
- the products according to the invention have been shown to be active at IC50 values of between 0.015 ⁇ g / ml and 20 ⁇ g / ml
- the products according to the invention have been shown to be active CI 5 Q between 0.02 ⁇ g / ml and 20 ⁇ g / ml.
- the product to be studied is dissolved in dimethylformamide (DMF) or dimethylsulfoxide (DMSO).
- the stock solutions are stored at a temperature of 4 ° C. and diluted in culture medium on the day of the experiment so that the solvent concentration is constant (0.1%).
- the Ul cells are pretreated 5 hours before stimulation with product concentrations ranging from 0.001 ⁇ M to 10 ⁇ M. Three days after induction, the viral supernatant is collected and the reverse transcriptase activity reflecting the viral production is evaluated (SPA test).
- the reduction in viral production by the derivatives according to the invention is significant and dose-dependent in the case of Ul cells treated with TNF ⁇ or with PMA. On day 3, there is a decrease of at least 50% in the production of reverse transcriptase for the Ul cells stimulated by 10 Units / ml of
- TNF ⁇ TNF ⁇ and treated with a concentration of 10 ⁇ M of product.
- the compounds according to the invention have been shown to be active at concentrations of between 0.01 ⁇ M and 10 ⁇ M.
- R3 is a hydrogen or halogen atom as defined above for R 3 ,
- R4 is a hydrogen and halogen atom as defined above for R4, an alkyloxy or alkylthio radical optionally substituted by carboxy or alkylamino, the alkyl parts of which may form with the nitrogen atom to which they are attached a heterocycle at 4 with 6 links which can also comprise another heteroatom chosen from nitrogen, oxygen or sulfur, or phthalimido, and R 5 is a hydrogen atom, or else
- the link is a single link
- R 3 and R 4 are hydrogen atoms, and R5 is a hydroxy or alkyloxy radical,
- alkyl radicals being straight or branched and containing 1 to 4 carbon atoms, are more particularly interesting.
- Hal represents a chlorine atom
- R3 is a hydrogen or chlorine atom
- R4 is hydrogen, chlorine, methoxy, methylthio, 2 - (1, 3 -dioxo-1, 3 - dihydroisoindol-2 -yle) -ethylsulfanyl, or 2 -aminoethylsulfanyl
- R5 is hydrogen, or
- R5 is hydroxy or methoxy.
- compositions containing pyrrole derivatives of general formula (I) and / or pyrrole derivatives of structure (I 1 ) are particularly advantageous because they find applications in many diseases of viral origin, in particular retinitis , pneumonia, encephalitis, digestive infections and CMV encephalitis, kaposi's sarcoma, cold sores, genital herpes, herpetic encephalitis, chickenpox, roseola, zonas, hepatitis (cytomegalovirus ), ophthalmic infections or in the prophylaxis of infection or viral reactivation. They can also be very useful in the treatment and prevention of cardiovascular diseases, particularly in restenosis which may follow angioplasty.
- compositions containing pyrrole derivatives of general formula (I) and / or pyrrole derivatives of structure (I ') are also particularly advantageous because they find applications in all pathologies involving cytokines including TNF ⁇ .
- osteoarticular diseases of inflammatory origin asthma, diabetes, cachexia (secondary to an infection or to a tumor)
- diseases of the digestive system such as Crohn's disease and ulcerative ulcerative colitis
- disorders of the central and / or peripheral nervous system immunological diseases including graft versus host disease and allograft rejection, lesions due to an infusion and / or ischemia, and viral or infectious diseases including pathologies linked to HIV and tuberculosis.
- TNF ⁇ diseases related to IL-8 reactivated by TNF ⁇ , such as psoriasis, inflammatory bowel disease, respiratory distress syndrome, asthma, damage induced by infusion , thrombosis, glomerulonephritis, and inflammatory osteo-articular pathologies.
- a suspension of 2.4 g of 3-pyridin- 3 -yl - 5, 6, 7, 8 - tetrahydroindolizine- 1-carboxamide and 4.2 g of N-chlorosuccinimide in 600 cm 3 of acetonitrile is brought to reflux of 1 acetonitrile for 3 hours.
- the reaction mixture is hydrolyzed with 200 cm 3 of water and then extracted with 3 times 300 cm 3 of ethyl acetate.
- the organic phases are dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C. 2.51 g of a yellow powder are obtained which is recrystallized from 65 cm 3 of acetonitrile.
- Example 2 A mixture of 6 g of 2, 7-dichloro-3-pyridin-3 -yl-5, 6-dihydroindolizine-1 -carboxamide and 5.24 g of sodium methylate in 120 cm 3 of toluene and 0 , 4 cm 3 of methanol is brought to reflux of toluene for 5 days.
- the reaction mixture is hydrolyzed with 100 cm 3 of water and then extracted with 3 times 100 cm 3 of dichloromethane.
- the organic phases are dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature close to 40 ° C.
- Example 3 A mixture of 0.616 g of 2, 7 -dichloro-3 -pyridin-3 -yl-5, 6 -dihydroindolizine- 1-carboxamide and 0.28 g of sodium thiomethylate in 30 cm 3 of dimethylformamide is heated to 57 ° C for 5 hours. The reaction mixture is poured into 250 cm 3 of brine and then extracted with 4 times 80 cm 3 of dichloromethane. The organic phases are washed with 3 times 50 cm 3 of brine, dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C. 0.6 g of an ocher crystallized product is obtained.
- Example 4 2.4 g of methyl 3-mercaptopropionate are dissolved in 100 cm 3 of dimethylformamide. 0.8 g of sodium hydride is added in small portions, then 3.08 g of 2, 7 -dichloro-3 -pyridi - 3 -yl-5, 6 -dihydroindolizine- 1-carboxamide are poured into 80 cm 3 of dimethylformamide. The mixture is heated at 68 ° C for 2 hours and 30 minutes, then poured into 25 cm 3 of hydrochloric acid (4N). Concentration to dryness under reduced pressure (1 kPa) at a temperature in the region of 60 ° C.
- the organic phases are dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 50 ° C. 0.26 g of an orange residue is obtained which is chromatographed on a column 4 cm in diameter containing 6 g of silica (0.02-0.045). Eluted with a mixture of dichloromethane / methanol (99/1) and collecting 15 cm 3 fractions. The homogeneous fractions are combined and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C. 0.11 g of a yellow meringue is thus obtained which is recrystallized from 12 cm 3 of acetonitrile.
- 2,7 -dichloro -3 - (2 -chloro-pyridin-3 -yl) -5,6 -dihydroindolizine-1 - carboxamide is prepared as described in Example 1, but from 4.1 g of 3 - (2 -chloro-pyridin- 3 -yl) -5, 6, 7, 8- tetrahydroindolizine- 1 - carboxamide and 6.3 g of N-chlorosuccinimide in 1000 cm 3 of acetonitrile.
- a mixture of 2.23 g of 3 -pyridin-3 -yl -5, 6, 7, 8- tetrahydroindolizine- 1 -carbonitrile and 6.7 g of N-chlorosuccinimide in 200 cm 3 of acetonitrile is brought to reflux of acetonitrile for 3 hours.
- the reaction mixture is hydrolyzed with 300 cm 3 of water and then extracted with 3 times 250 cm 3 of dichloromethane.
- the organic phases are dried over magnesium sulfate and then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C, and 2.84 g of residue are chromatographed on a column of 4 cm in diameter containing 400 g of silica (0.04-0.063). Eluted with ethyl acetate, under a pressure of 150 kPa, and collecting fractions of 60 cm 3 . The homogeneous fractions are combined and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C. 1.67 g of a solid are thus obtained which is recrystallized from 7.5 cm 3 of acetonitrile.
- a suspension of 10.14 g of 2, 7, 7 - trichloro- 8 -oxo- 3 -pyridin-3 -yl - 5, 6, 7, 8-tetrahydroindolizine-l -carbonitrile and 300 cm 3 of acetic acid in 1000 cm 3 of ethanol is stirred under argon, and 3.06 g of 10% palladium on carbon in 50 cm 3 of ethanol are added.
- the reaction mixture is maintained under a bubbling of hydrogen for 2 hours at room temperature, then filtered through sintered glass No. 3 clogged with celite. The cake is washed with 2 times 50 cm 3 of ethanol and the filtrate is then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 55 ° C.
- a mixture of 20 g of 3-pyridin- 3 -yl - 5, 6,, 8-tetrahydroindolizine-1 - carbonitrile and 56.8 g of N-chlorosuccinimide in 1600 cm 3 of acetonitrile is brought to reflux for 1 ' acetonitrile for 3 hours.
- 150 cm 3 of hydrochloric acid (IN) and 150 cm 3 of water are added to the reaction mixture.
- the reaction mixture is concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 55 ° C.
- the residue obtained is taken up in 200 cm 3 of water, and the pH is brought to 8-9 by addition of powdered sodium hydrogencarbonate.
- the reaction mixture is concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C.
- the beige solid obtained is taken up in 50 cm 3 of water and the pH is brought to 8-9 by addition of sodium hydrogencarbonate.
- a mixture of 0.23 g of 2-chloro-8-methoxy- 3 -pyridin -3-yl -5, 6, 7, 8-tetrahydroindolizine-1-carbonitrile and 0.16 g of potassium hydroxide in 15 cm 3 of tert-butanol is heated under reflux of tert-butanol for 12 hours.
- the reaction mixture is concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 50 ° C.
- the oil obtained is taken up in 7 cm 3 of water and extracted with 4 times 30 cm 3 of dichloromethane.
- the organic phases are dried on magnesium sulphate then concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C.
- 0.125 g of a glassy residue is obtained which is chromatographed on a column 2 cm in diameter containing 100 g of silica (0.02-0.045). Eluted with a mixture of dichloromethane / methanol (95/5) and collecting 40 cm 3 fractions. The homogeneous fractions are combined and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C. 0.09 g of a semi-solid is obtained which is recrystallized from 1.1 cm 3 of acetonitrile.
- Example 10 The 8-oxo-2-chloro-3 -pyridin-3 -yl-5, 6, 7, 8-tetrahydroindolizine-1-carbonitrile is prepared as described in Example 3.
- a mixture containing 2 g of 8 -oxo- 2 -chloro-3 -pyridin- 3 -yl -5, 6, 7, 8 - tetrahydroindolizine- 1 -carbonitrile and 4.81 cm 3 of benzylamine is brought to a temperature of 150 ° C for 20 minutes.
- the mixture is then hydrolyzed with 50 cm 3 of water and extracted with 3 times 50 cm 3 of dichloromethane.
- the organic phases are washed with 2 times 50 cm 3 of water and then dried over magnesium sulphate then filtered and concentrated to dryness under reduced pressure (2.7 kPa) at a temperature in the region of 40 ° C.
- the present invention also relates to pharmaceutical compositions intended for the treatment and / or prophylaxis of conditions in which a virus (s) from the herpes family are involved and / or in which cytokines, including TNF ⁇ , containing a pyrrole derivative, intervene.
- cytokines including TNF ⁇
- general formula (I) or a pyrrole derivative of structure (I 1 ) optionally in the form of a salt, in the pure state or in the form of a combination with one or more compatible and pharmaceutically acceptable diluents or adjuvants.
- compositions according to the invention are capable of reducing the progression to the disease or of reducing its severity in infected subjects.
- compositions according to the invention are also capable of inhibiting the replication of retroviruses and therefore of reducing the progression to the disease or of reducing its severity in infected subjects.
- retroviruses in particular, in the case of HIV infections, by inhibiting the replication of this virus, they are able to reduce the progression to AIDS or to decrease its severity in infected subjects.
- the pharmaceutical compositions according to the invention can be used for preventive or curative purposes.
- preventive is meant preventing development in subjects with immunodeficiency and / or infected with retrovirus.
- the constitution of these compositions will be adapted to the particular case of the digestive tract of these subjects.
- compositions can be used orally, parenterally, topically or rectally.
- the sterile compositions for parenteral administration may preferably be aqueous or non-aqueous solutions, suspensions or emulsions.
- solvent or vehicle water, propylene glycol, polyethylene glycol, vegetable oils, in particular olive oil, injectable organic esters, for example ethyl oleate or other organic solvents can be used. suitable.
- These compositions can also contain adjuvants, in particular wetting agents, isotonizers, emulsifiers, dispersants and stabilizers. Sterilization can be done in several ways, for example by aseptic filtration, by incorporating sterilizing agents into the composition, by irradiation or by heating. They can also be prepared in the form of sterile solid compositions which can be dissolved at the time of use in a sterile injectable medium.
- compositions for oral administration tablets, pills, powders or granules can be used.
- the active product according to the invention (optionally combined with another pharmaceutically compatible product) is mixed with one or more inert diluents or adjuvants, such as sucrose, lactose or starch.
- these compositions can also include substances other than diluents, for example a lubricant such as magnesium stearate.
- compositions for oral administration there may be used pharmaceutically acceptable emulsions, solutions, suspensions, syrups, elixirs containing inert diluents such as water or paraffin oil.
- emulsions solutions, suspensions, syrups, elixirs containing inert diluents such as water or paraffin oil.
- These compositions can also include substances other than diluents, for example wetting, sweetening or flavoring products.
- compositions for topical administration can be, for example, creams, ointments, or lotions.
- compositions for rectal administration are suppositories or rectal capsules, which contain, in addition to the active principle, excipients such as cocoa butter, semi - synthetic glycerides or polyethylene glycols.
- the doctor will determine the dosage he considers most appropriate based on the age, weight and factors specific to the product and the subject to be treated. Generally in adults the doses are between 25 and 2000 mg per day.
- the pyrrole derivatives of general formula (I) and the pyrrole derivatives of structure (I ') act synergistically when they are combined with other anti-viral agents active on the viruses of herpes family or when combined with other anti-retrovirus agents.
- the present invention also relates to combinations consisting of a pyrrole derivative of general formula (I) or a pyrrole derivative of structure (I 1 ), and of an active principle known for its activity on viruses of the family. herpes or well known for its anti-retrovirus activity, optionally in the presence of pharmaceutically acceptable excipients.
- agents known for their activity on viruses of the herpes family which may be associated are chosen from compatible agents which are chemically inert with respect to the pyrrole derivative according to the invention. Without limitation these agents are chosen for example from cidofovir, ganciclovir, foscarnet, GS930, 1263W94 ...
- anti-retrovirus agents which can be combined are chosen from agents which are compatible and chemically inert with respect to the derivatives according to the invention.
- these agents are chosen from reverse transcriptase inhibitors [zidovudine (AZT), didanosine (DDI), dideoxycytidine (DDC), ivudine (3TC), TIBO, neviparin, PMEA ...], from protease inhibitors [for example saquinovir, ABT-538, MK-639 ...], or among inhibitors of the proteins tat and rev.
- compositions comprising such combinations also fall within the scope of the present invention.
- the following example given without implied limitation, illustrates a composition according to the invention.
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Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU54873/98A AU5487398A (en) | 1996-12-12 | 1997-12-10 | Pyrrole derivatives, their preparation and pharmaceutical compositions containing them |
| US09/319,773 US6207675B1 (en) | 1996-12-12 | 1997-12-10 | Pyrrole derivatives, their preparation and pharmaceutical compositions containing them |
| EP97951287A EP0946555A1 (fr) | 1996-12-12 | 1997-12-10 | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
| JP52629498A JP2001506619A (ja) | 1996-12-12 | 1997-12-10 | ピロール誘導体、その製造及びそれを含有する製薬学的組成物 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR96/15288 | 1996-12-12 | ||
| FR9615288A FR2757166B1 (fr) | 1996-12-12 | 1996-12-12 | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1998025925A1 true WO1998025925A1 (fr) | 1998-06-18 |
Family
ID=9498604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1997/002248 Ceased WO1998025925A1 (fr) | 1996-12-12 | 1997-12-10 | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6207675B1 (fr) |
| EP (1) | EP0946555A1 (fr) |
| JP (1) | JP2001506619A (fr) |
| AU (1) | AU5487398A (fr) |
| FR (1) | FR2757166B1 (fr) |
| MA (1) | MA26455A1 (fr) |
| TN (1) | TNSN97204A1 (fr) |
| WO (1) | WO1998025925A1 (fr) |
| ZA (1) | ZA9711169B (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010029364A1 (fr) * | 2008-09-12 | 2010-03-18 | Selcia Limited | Composés |
| EP4428125A4 (fr) * | 2021-11-02 | 2025-10-29 | Betta Pharmaceuticals Co Ltd | Composé bicyclique et son application |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6447511B1 (en) * | 1994-12-13 | 2002-09-10 | Symbiosis Corporation | Bipolar endoscopic surgical scissor blades and instrument incorporating the same |
| FR2779724B1 (fr) * | 1998-06-10 | 2001-04-20 | Rhone Poulenc Rorer Sa | Derives du pyrrole, leur preparation et les compositions pharmaceutiques qui les contiennent |
| PE20020506A1 (es) * | 2000-08-22 | 2002-07-09 | Glaxo Group Ltd | Derivados de pirazol fusionados como inhibidores de la proteina cinasa |
| WO2002048147A2 (fr) * | 2000-12-15 | 2002-06-20 | Glaxo Group Limited | Composes therapeutiques |
| AU2002239348A1 (en) * | 2000-12-15 | 2002-06-24 | Glaxo Group Limited | Pyrazolopyridine derivatives |
| ATE274515T1 (de) * | 2001-03-08 | 2004-09-15 | Smithkline Beecham Corp | Pyrazolopyridinderivate |
| US7034030B2 (en) | 2001-03-30 | 2006-04-25 | Smithkline Beecham Corporation | Pyralopyridines, process for their preparation and use as therapeutic compounds |
| WO2002078701A1 (fr) * | 2001-03-30 | 2002-10-10 | Smithkline Beecham Corporation | Utilisation de pyrazolopyridines comme composes therapeutiques |
| JP4219171B2 (ja) | 2001-04-10 | 2009-02-04 | スミスクライン ビーチャム コーポレーション | 抗ウイルス性ピラゾロピリジン化合物 |
| DE60204452T2 (de) | 2001-04-27 | 2005-12-15 | Smithkline Beecham Corp. | Pyrazolo[1,5a]Pyridinderivate |
| ATE337316T1 (de) * | 2001-06-21 | 2006-09-15 | Smithkline Beecham Corp | Imidazo 1,2-aöpyridin-derivate zur prophylaxe und behandlung von herpes-infektionen |
| DE60220525T2 (de) * | 2001-09-07 | 2008-02-07 | Smithkline Beecham Corp. | Pyrazolo-pyridine für die behandlung von herpes-ansteckungen |
| CN1568324A (zh) * | 2001-09-13 | 2005-01-19 | Sbr制药公司 | 用于治疗癌症的1-乙醛酰胺吲哚嗪 |
| US7244740B2 (en) * | 2001-10-05 | 2007-07-17 | Smithkline Beecham Corporation | Imidazo-pyridine derivatives for use in the treatment of herpes viral infection |
| EP1453830B1 (fr) * | 2001-12-11 | 2007-09-12 | SmithKline Beecham Corporation | Derives de la pyrazolo-pyridine, agents anti-herpes |
| WO2004033454A1 (fr) * | 2002-10-03 | 2004-04-22 | Smithkline Beecham Corporation | Composes therapeutiques a base de derives de pyrazolopyridine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0522944A2 (fr) * | 1991-07-09 | 1993-01-13 | Aventis Pharma S.A. | Utilisation du (pyridyl-3)-3-1H,3H-pyrrolo 1,2-c thiazole-carboxamide-7 pour le traitement des infections à rétrovirus |
| FR2735476A1 (fr) * | 1995-06-14 | 1996-12-20 | Rhone Poulenc Rorer Sa | Nouvelle application de derives du pyrrole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557111B1 (fr) * | 1983-12-21 | 1986-04-11 | Rhone Poulenc Sante | Nouveaux derives ortho-condenses du pyrrole, leur preparation et les medicaments qui les contiennent |
-
1996
- 1996-12-12 FR FR9615288A patent/FR2757166B1/fr not_active Expired - Fee Related
-
1997
- 1997-12-10 TN TNTNSN97204A patent/TNSN97204A1/fr unknown
- 1997-12-10 EP EP97951287A patent/EP0946555A1/fr not_active Withdrawn
- 1997-12-10 US US09/319,773 patent/US6207675B1/en not_active Expired - Fee Related
- 1997-12-10 AU AU54873/98A patent/AU5487398A/en not_active Abandoned
- 1997-12-10 JP JP52629498A patent/JP2001506619A/ja active Pending
- 1997-12-10 WO PCT/FR1997/002248 patent/WO1998025925A1/fr not_active Ceased
- 1997-12-10 MA MA24896A patent/MA26455A1/fr unknown
- 1997-12-11 ZA ZA9711169A patent/ZA9711169B/xx unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0522944A2 (fr) * | 1991-07-09 | 1993-01-13 | Aventis Pharma S.A. | Utilisation du (pyridyl-3)-3-1H,3H-pyrrolo 1,2-c thiazole-carboxamide-7 pour le traitement des infections à rétrovirus |
| FR2735476A1 (fr) * | 1995-06-14 | 1996-12-20 | Rhone Poulenc Rorer Sa | Nouvelle application de derives du pyrrole |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010029364A1 (fr) * | 2008-09-12 | 2010-03-18 | Selcia Limited | Composés |
| EP4428125A4 (fr) * | 2021-11-02 | 2025-10-29 | Betta Pharmaceuticals Co Ltd | Composé bicyclique et son application |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001506619A (ja) | 2001-05-22 |
| AU5487398A (en) | 1998-07-03 |
| FR2757166A1 (fr) | 1998-06-19 |
| MA26455A1 (fr) | 2004-12-20 |
| TNSN97204A1 (fr) | 2005-03-15 |
| FR2757166B1 (fr) | 1999-01-29 |
| ZA9711169B (en) | 1998-06-15 |
| EP0946555A1 (fr) | 1999-10-06 |
| US6207675B1 (en) | 2001-03-27 |
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