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WO2005058845A2 - Nouveaux antagonistes/agonistes inverses du glucagon - Google Patents

Nouveaux antagonistes/agonistes inverses du glucagon Download PDF

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Publication number
WO2005058845A2
WO2005058845A2 PCT/EP2004/053580 EP2004053580W WO2005058845A2 WO 2005058845 A2 WO2005058845 A2 WO 2005058845A2 EP 2004053580 W EP2004053580 W EP 2004053580W WO 2005058845 A2 WO2005058845 A2 WO 2005058845A2
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alkyl
compound according
alkoxy
ocf
halogen
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WO2005058845A3 (fr
Inventor
Peter Madsen
Jesper Lau
János Tibor KODRA
Inge Thøger Christensen
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Novo Nordisk AS
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Novo Nordisk AS
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Publication of WO2005058845A3 publication Critical patent/WO2005058845A3/fr
Priority to US11/424,871 priority Critical patent/US20070015757A1/en
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members
    • C07D207/32—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C07D207/323—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atoms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/04—Anorexiants; Antiobesity agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/06—Antihyperlipidemics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P3/00—Drugs for disorders of the metabolism
    • A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
    • A61P3/10—Drugs for disorders of the metabolism for glucose homeostasis for hyperglycaemia, e.g. antidiabetics
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C235/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms
    • C07C235/70—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton
    • C07C235/84—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/96—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
    • C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
    • C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D237/08—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D261/00—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings
    • C07D261/02—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings
    • C07D261/06—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members
    • C07D261/10—Heterocyclic compounds containing 1,2-oxazole or hydrogenated 1,2-oxazole rings not condensed with other rings having two or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D261/18—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated

Definitions

  • the present invention relates to agents that act to antagonize the action of the glucagon peptide hormone on the glucagon receptor. More particularly, it relates to glucagon antagonists or inverse agonists.
  • Glucagon is a key hormonal agent that, in co-operation with insulin, mediates homeostatic regulation of the amount of glucose in the blood.
  • Glucagon primarily acts by stimulating certain cells (mostly liver cells) to release glucose when blood glucose levels fall. The action of glucagon is opposite to that of insulin, which stimulates cells to take up and store glucose whenever blood glucose levels rise. Both glucagon and insulin are peptide hormones.
  • Glucagon is produced in the alpha islet cells of the pancreas and insulin in the beta islet cells.
  • Diabetes mellitus is a common disorder of glucose metabolism. The disease is characterized by hyperglycemia and may be classified as type 1 diabetes, the insulin-dependent form, or type 2 diabetes, which is non-insulin-dependent in character.
  • Subjects with type 1 diabetes are hyperglycemic and hypoinsuiinemic, and the conventional treatment for this form of the disease is to provide insulin.
  • the conventional treatment for this form of the disease is to provide insulin.
  • absolute or relative elevated glucagon levels have been shown to contribute to the hyperglycemic state.
  • removal of circulating glucagon with selective and specific antibodies has resulted in reduction of the glycemic level.
  • glucagon can be suppressed by providing an antagonist or an inverse agonist, ie substances that inhibit or prevent gluca- gon-induced responses.
  • the antagonist can be peptidic or non-peptidic in nature.
  • Native glucagon is a 29 amino acid peptide having the sequence: His-Ser-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gln-Asp- Phe-Val-Gln-Trp-Leu-Met-Asn-Thr-OH Glucagon exerts its action by binding to and activating its receptor, which is part of the Glu- cagon-Secretin branch of the 7-transmembrane G-protein coupled receptor family.
  • the receptor functions by activating the adenylyl cyclase second messenger system and the result is an increase in cAMP levels.
  • glucagon antagonists Several publications disclose peptides that are stated to act as glucagon antagonists. Probably, the most thoroughly characterized antagonist is DesHis 1 [Glu 9 ]-glucagon amide (Unson et al., Peptides 10, 1171 (1989); Post et al., Proc. Natl. Acad. Sci. USA 90, 1662 (1993)). Other antagonists are DesHis 1 ,Phe 6 [Glu 9 ]-glucagon amide (Azi ⁇ h et al., Bioorganic & Medicinal Chem. Lett. 16, 1849 (1995)) and NLeu 9 ,Ala 11 ' 16 -glucagon amide (Unson et al., J. Biol. Chem. 269 (17), 12548 (1994)).
  • Peptide antagonists of peptide hormones are often quite potent. However, they are generally known not to be orally available because of degradation by physiological enzymes, and poor distribution in vivo. Therefore, orally available non-peptide antagonists of peptide hormones are generally preferred.
  • non-peptide glucagon antagonists a quinoxaline derivative, (2-styryl-3-[3-(dimethylamino)propylmethylamino]-6,7-dichloroquinoxaline was found to displace glucagon from the rat liver receptor (Collins, J.L. et al., Bioorganic and Medicinal Chemistry Letters 2(9):915-918 (1992)).
  • WO 94/14426 (The Wellcome Foundation Limited) discloses use of skyrin, a natural product comprising a pair of linked 9,10-anthracenedione groups, and its synthetic analogues, as glucagon antagonists.
  • US 4,359,474 (Sandoz) discloses the glucagon inhibiting properties of 1 -phenyl pyrazole derivatives.
  • US 4,374,130 (Sandoz) discloses substituted disilacyclohexanes as glucagon inhibiting agents.
  • WO 98/04528 (Bayer Corporation) discloses substituted pyridines and biphenyls as glucagon antagonists.
  • US 5,776,954 discloses substituted pyridyl pyrroles as gluca- gon antagonists and WO 98/21957, WO 98/22108, WO 98/22109 and US 5,880,139 (Merck & Co., Inc.) disclose 2,4-diaryl-5-pyridylimidazoles as glucagon antagonists. Furthermore, WO 97/16442 and US 5,837,719 (Merck & Co., Inc.) disclose 2,5-substituted aryl pyrroles as glucagon antagonists.
  • WO 98/24780, WO 98/24782, WO 99/24404 and WO 99/32448 disclose substituted pyrimidinone and pyridone compounds and substituted pyrimidine compounds, respectively, which are stated to possess glucagon antagonistic activity.
  • Madsen et al. J. Med. Chem. 41 , 5151 -7 (1998) discloses a series of 2-(benzimidazol- 2-ylthio)-1-(3,4-dihydroxyphenyl)-1-ethanones as competitive human glucagon receptor antagonists.
  • WO 99/01423 and WO 00/39088 disclose different series of alkylidene hydrazides as glucagon antagonists/inverse agonists.
  • WO 00/69810, WO 02 00612, WO 02/40444, WO 02/40445 and WO 02/40446 disclose further classes of glucagon antagonists. These known glucagon antagonists differ structurally from the present compounds.
  • the invention provides compounds of the general formula (I):
  • E is • C-i-io-alkyl or C 2- ⁇ 0 -alkenyl
  • D is aryl or heteroaryl
  • E is • C ⁇ - 1 0-alkyl or C 2-10 -alkenyl
  • R 4 and R 5 independently are hydrogen, halogen, d. 6 -alkyl, C 2-6 -a'lkenyl, d- 6 -alkoxy, Ci-e-thioalkyl, -CF 3 , -OCF 3 , -SCF 3 , -OCHF 2 , -SCHF 2 , C 3 - ⁇ 0 -cycloalkyl or C 3 . 10 -cyclo- alkenyl, or R 4 and R 5 on adjacent positions may be combined to form a bridge -O-Ci-e-alkylene-O-, C ⁇ - 8 -alkylene or C 3 . 8 -alkenylene,
  • R 6 is Ci- ⁇ -alkyI or aryl, wherein aryl may optionally be substituted with one or two substituents selected from halogen, d -6 -alkyl, C 2-6 -alkenyl, Ci-e-alkoxy, Ci-e-thioalkyl, -CF 3 , -OCF 3 , -SCF 3 , -OCHF 2 and -SCHF 2 , n is an integer of from 0 to 6,
  • Z is -O- or -S-
  • W is -O-, -S-, or -NR 7 -, R 7 is hydrogen or d-e-alkyl,
  • R , R 11 and R 12 independently are
  • Y" is -S-, -O- or -NR 14 -
  • R 13 and R 15 independently are hydrogen, C ⁇ -6 -a!kyl or aryl, wherein aryl is optionally substituted with one or two substituents selected from halogen, C 1-6 -alkyl, C ⁇ -6 -alkoxy, Ci-e-thioalkyl, -CF 3 , -OCF 3 , -SCF 3 , -OCHF 2 and -SCHF 2 ,
  • R 14 is hydrogen or C 1-6 -alkyl
  • R 16 , R 17 and R 18 independently are hydrogen, halogen, -CF 3l -OCF 3 , -SCF 3 , -CN, -NO 2 , Ci- 1 0-alkyl, C 2 . 6 -alkenyl, Ci-e-alkoxy and C ⁇ -6 -alkylthio, or with two substituents on adjacent positions which are combined to form a bridge -O-(CH 2 ) q -O-(CH 2 ) r - or -O-(CF 2 ) q -O-(CF 2 ) r -, wherein q is an integer of from 1 to 6, and r is 0 or 1 ,
  • Another aspect of the invention provides compounds of the general formula (l ⁇ ):
  • Another aspect of the invention provides compounds of the general formula (l 3 ):
  • R x represents H or OH
  • Another aspect of the invention provides compounds of the general formula (l 4 ):
  • R x represents H or OH
  • Another aspect of the invention provides compounds of the general formula:
  • X' is -O- , -S-, -NR'-, wherein R' is hydrogen, lower alkyl, lower alkoxy, hydroxy, amino, lower alkylaryl, or aryl and E and D are as defined above, as well as any diastereomer or enantiomer or tautomeric form thereof including mixtures of these or a pharmaceutically acceptable salt thereof.
  • An aspect of the invention provides compounds as above, which has an IC 50 value of no greater than 5 ⁇ M as determined by the Glucagon Binding Assay (I) or Glucagon Binding Assay (II) disclosed herein.
  • An aspect of the invention provides compounds as above, which is an agent useful for the treatment of an indication selected from the group consisting of hyperglycemia, IGT, type 2 diabetes, type 1 diabetes, dyslipidemia and obesity.
  • An aspect of the invention provides compounds as above for use as a medicament.
  • the invention provides pharmaceutical compositions comprising, as an active ingredient, at least one compound as above together with one or more pharmaceutically acceptable carriers or excipients.
  • the invention also provides use of a compound as above for the preparation of a medicament for the treatment of disorders or diseases, wherein a glucagon antagonistic action is beneficial.
  • the invention provides a method for the treatment of disorders or diseases, wherein a gluca- gon antagonistic action is beneficial, the method comprising administering to a subject in need thereof an effective amount of a compound as above or a pharmaceutical composition as mentioned above.
  • Halogen designates an atom selected from the group consisting of F, Cl, Br and I.
  • C 1-6 -alkyl represents a saturated, branched or straight hydrocarbon group having from 1 to 6 carbon atoms. Representative examples include, but are not limited to, methyl, ethyl, n-propyl, isopropyl, butyl, isobutyl, seo-butyl, tert-butyl, n-pentyl, isopentyl, neopentyl, tert-pentyl, n-hexyl, isohexyl and the like.
  • C ⁇ - 1 0-alkyl denotes a saturated, branched or straight hydrocarbon group having from 1 to 10 carbon atoms.
  • C 2 - 6 -alkenyl represents a branched or straight hydrocarbon group having from 2 to 6 carbon atoms and at least one double bond.
  • C 2- ⁇ 0 -alkenyl denotes a saturated, branched or straight hydrocarbon group having from 2 to 10 carbon atoms.
  • C ⁇ -6 -alkoxy refers to the radical -O-C ⁇ .6-alkyl, wherein C -6 -alkyl is as defined above. Representative examples are methoxy, ethoxy, n-propoxy, isopropoxy, butoxy, seo-butoxy, te/f-butoxy, pentoxy, isopentoxy, hexoxy, isohexoxy and the like.
  • C ⁇ - 6 -alkylthio refers to the radical -S-C ⁇ -B -alkyl, wherein C ⁇ - 6 -alkyl is as defined above.
  • Representative examples include, but are not limited to, methylthio, ethylthio, n-propylthio, isopropylthio, butylthio, isobutylthio, seobutylthio, tert-butylthio, n-pentylthio, isopentylthio, neopentylthio, f ⁇ rf-pentylthio, n-hexylthio, isohexylthio and the like.
  • C 3 - ⁇ 0 -cycloalkyl represents a saturated, carbocyclic group having from 3 to 10 carbon atoms.
  • C 7 - ⁇ o-bicycloalkyl represents a bicyclic, saturated, carbocyclic group having from 7 to 10 carbon atoms.
  • Representative examples are bicyclo[3.1.Ojhexyl, bicy- clo[4.1.Ojheptyl, bicyclo[3.1.1]heptyl, bicyclo[2.2.1]heptyl and the like.
  • C 3 - ⁇ 0 -cycloalkenyl represents a non-aromatic, carbocyclic group having from 3 to 10 carbon atoms containing one or two double bonds.
  • Representative examples are 1 -cyclopentenyl, 2-cyclopentenyl, 3-cyclopentenyl, 1 -cyclohexenyl, 2-cyclohexenyl, 3-cyclohexenyl, 2-cycloheptenyl, 3-cycloheptenyl, 2-cyclooctenyl, 1 ,4-cyclooctadienyl, 1 - cyclononenyl, 2- cyclononenyl, 1-cyclodocenyl, 2-cyclodocenyl, and the like.
  • aryl as used herein is intended to include carbocyclic, aromatic ring systems such as 6 membered monocyclic and 9 to 14 membered bi- and tricyclic, carbocyclic, aromatic ring systems. Representative examples are phenyl, biphenylyl, naphthyl, anthracenyl, phe- nanthrenyl, fluorenyl, indenyl, azulenyl and the like.
  • Aryl is also intended to include the partially hydrogenated derivatives of the ring systems enumerated above.
  • Non-limiting examples of such partially hydrogenated derivatives are 1 ,2,3,4-tetrahydronaphthyl, 1 ,4-di- hydronaphthyl, indanyl and the like.
  • aryloxy denotes a group -O-aryl, wherein aryl is as defined above.
  • arylthio as used herein denotes a group -S-aryl, wherein aryl is as defined above.
  • Aryl-Ci- 6 -alkyl means Ci-e-alkyl or C 2 . 6 -alkenyl as defined above, substituted by an aryl or heteroaryl as defined above, for example:
  • furyl thienyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, isoxazolyl, isothiazolyl, 1 ,2,3-triazolyl, 1 ,2,4-triazolyl, pyranyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, 1 ,2,3-triazinyl, 1 ,2,4-triazinyl, 1 ,3,5- triazinyl, 1 ,2,3-oxadiazolyl, 1 ,2,4-oxadiazolyl, 1 ,2,5-oxadiazolyl, 1 ,3,4-oxadiazolyl, 1 ,2,3-thiadiazolyl, 1 ,2,4-thiadiazolyl, 1 ,2,5-thiadiazolyl, 1 ,3,4-thiadiazolyl, tetrazolyl and thiadia
  • heteroaryl as used herein is intended to include aromatic, heteracyclic ring systems containing one or more heteroatoms selected from nitrogen, oxygen and sulfur such as 5 to 7 membered monocyclic and 8 to 14 membered bi- and tricyclic aromatic, heteracyclic ring systems containing one or more heteroatoms selected from nitrogen, oxygen and sulfur.
  • furyl thienyl, pyrrolyl, oxazolyl, thiazolyl, imidazolyl, isoxazolyl, isothiazolyl, 1 ,2,3-triazolyl, 1 ,2,4-triazolyl, pyranyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, 1 ,2,3-triazinyl, 1 ,2,4-triazinyl, 1 ,3,5- triazinyl, 1 ,2,3-oxadiazolyl, 1 ,2,4-oxadiazolyl, 1 ,2,5-oxadiazolyl, 1 ,3,4-oxadiazolyl, 1 ,2,3-thiadiazolyl, 1 ,2,4-thiadiazolyl, 1 ,2,5-thiadiazolyl, 1 ,3,4-thiadiazolyl, tetrazolyl, thiadia
  • Heteroaryl is also intended to include the partially hydrogenated derivatives of the ring systems enumerated above.
  • Non-limiting examples of such partially hydrogenated derivatives are 2,3-dihydrobenzofuranyl, pyrrolinyl, pyrazolinyl, indolinyl, oxazolidinyl, oxazolinyl, oxazepinyl and the like.
  • treatment means the management and care of a patient for the purpose of combating a disease, disorder or condition.
  • the term is intended to include the delaying of the progression of the disease, disorder or condition, the alleviation or relief of symptoms and complications, and/or the cure or elimination of the disease, disorder or condition.
  • the patient to be treated is preferably a mammal, in particular a human being.
  • the compounds of the present invention may be chiral, and it is intended that any enanti- omers, as separated, pure or partially purified enantiomers or racemic mixtures thereof are included within the scope of the invention.
  • di- astereomers when a double bond or a fully or partially saturated ring system or more than one center of asymmetry or a bond with restricted rotatability is present in the molecule di- astereomers may be formed. It is intended that any diastereomers, as separated, pure or partially purified diastereomers or mixtures thereof are included within the scope of the invention. Furthermore, some of the compounds of the present invention may exist in different tauto- meric forms and it is intended that any tautomeric forms, which the compounds are able to form, are included within the scope of the present invention.
  • the present invention also encompasses pharmaceutically acceptable salts of the present compounds.
  • Such salts include pharmaceutically acceptable acid addition salts, pharmaceutically acceptable metal salts, ammonium and alkylated ammonium salts.
  • Acid addition salts include salts of inorganic acids as well as organic acids. Representative examples of suitable inorganic acids include hydrochloric, hydrobromic, hydroiodic, phosphoric, sulfuric, nitric acids and the like.
  • suitable organic acids include formic, acetic, trichloroacetic, trifluoroacetic, propionic, benzoic, cinnamic, citric, fumaric, glycolic, lactic, maleic, malic, malonic, mandelic, oxalic, picric, pyruvic, salicylic, succinic, methane- sulfonic, ethanesulfonic, tartaric, ascorbic, pamoic, bismethylene salicylic, ethanedisulfonic, gluconic, citraconic, aspartic, stearic, palmitic, EDTA, glycolic, p-aminobenzoic, glutamic, benzenesulfonic, p-toluenesulfonic acids and the like.
  • compositions include the pharmaceutically acceptable salts listed in J. Pharm. Sci. 1977, 66, 2, which is incorporated herein by reference.
  • Exam- pies of metal salts include lithium, sodium, potassium, magnesium salts and the like.
  • ammonium and alkylated ammonium salts include ammonium, methyl-, dimethyl-, trimethyl-, ethyl-, hydroxyethyl-, diethyl-, butyl-, tetramethylammonium salts and the like.
  • pharmaceutically acceptable acid addition salts are the hydrates, which the present compounds, are able to form.
  • the pharmaceutically acceptable salts comprise basic amino acid salts such as lysine, arginine and ornithine.
  • the acid addition salts may be obtained as the direct products of compound synthesis.
  • the free base may be dissolved in a suitable solvent containing the appropriate acid, and the salt isolated by evaporating the solvent or otherwise separating the salt and solvent.
  • the compounds of the present invention may form solvates with standard low molecular weight solvents using methods well known to the person skilled in the art. Such solvates are also contemplated as being within the scope of the present invention.
  • the invention also encompasses prodrugs of the present compounds, which on administra- tion undergo chemical conversion by metabolic processes before becoming pharmacologically active substances. In general, such prodrugs will be functional derivatives of present compounds, which are readily convertible in vivo into the required compound. Conventional procedures for the selection and preparation of suitable prodrug derivatives are described, for example, in "Design of Prodrugs", ed. H. Bundgaard, Elsevier, 1985.
  • the invention also encompasses active metabolites of the present compounds.
  • the compounds according to the present invention act to antagonize the action of glucagon and are accordingly useful for the treatment of disorders and diseases in which such an antagonism is beneficial.
  • the compounds according to the invention preferably have an IC 50 value of no greater than 5 ⁇ M as determined by the Glucagon Binding Assay (I) or Glucagon Binding Assay (II) disclosed herein.
  • the compounds according to the invention have an IC 5 o value of less than 1 ⁇ M, preferably of less than 500 nM and even more preferred of less than 100 nM as determined by the Glucagon Binding Assay (I) or Glucagon Binding Assay (II) disclosed herein.
  • the compounds according to the invention preferably have a higher binding affinity to the glucagon receptor than to the-GIP receptor.
  • the present compounds may be applicable for the treatment of hyperglycemia, hyper insulinemia, beta-cell rest, improved beta-cell function by restoring first phase response, prandial hyperglycemia, preventing apoptosis, IFG, metabolic syndrome, hypoglycemia, hy- per-/hypokalemia, normalising glucagon levels, improved LDL HDL ratio, reducing snacking, eating disorders, weight loss, PCOS, obesity as a consequence of diabetes, LADA, insulitis, islet transplantation, pediatric diabetes, gestational diabetes, diabetic late complications, mi- cro-/macroalbuminuria, nephropathy, retinopathy, neuropathy, diabetic foot ulcers, reduced intestinal motility due to glucagon administration, short bowel syndrome, antidiarrheic, in- creasing gastric secretion, decreased blood flow, erectile dysfunction (male & female), glaucoma, post surgical stress, ameliorating organ tissue injury caused by reperfusion of blood flow after is
  • they may be applicable as diagnostic agents for identifying patients having a de- feet in the glucagon receptor, as a therapy to increase gastric acid secretions and to reverse intestinal hypomobility due to glucagon administration.
  • the invention relates to a compound according to the inven- tion for use as a medicament.
  • the invention also relates to pharmaceutical compositions comprising, as an active ingredient, at least one compound according to the invention together with one or more pharmaceutically acceptable carriers or excipients.
  • the pharmaceutical composition is preferably in unit dosage form, comprising from about 0.05 mg to about 1000 mg, preferably from about 0.1 mg to about 500 mg and especially preferred from about 0.5 mg to about 200 mg of the compound according to the invention.
  • the invention relates to the use of a compound of the general formula (I) as well as any diastereomer or enantiomer or tautomeric form thereof including mixtures of these or a pharmaceutically acceptable salt thereof for the preparation of a medicament for the treat- ment of disorders or diseases, wherein a glucagon antagonistic action is beneficial.
  • the invention also relates to a method for the treatment of disorders or diseases, wherein a glucagon antagonistic action is beneficial the method comprising administering to a subject in need thereof an effective amount of a compound according to the invention.
  • the present compounds are used for the preparation of a medicament for the treatment of any glucagon-mediated conditions and diseases.
  • the present compounds are used for the preparation of a medicament for the treatment of hyperglycemia.
  • the present compounds are used for the preparation of a medicament for lowering blood glucose in a mammal.
  • the present compounds are effective in lowering the blood glucose, both in the fasting and the postprandial stage.
  • the present compounds are used for the preparation of a pharmaceutical composition for the treatment of IGT.
  • the present compounds are used for the preparation of a pharmaceutical composition for the treatment of type 2 diabetes. In yet a further embodiment of the invention the present compounds are used for the preparation of a pharmaceutical composition for the delaying or prevention of the progression from IGT to type 2 diabetes.
  • the present compounds are used for the prepara- tion of a pharmaceutical composition for the delaying or prevention of the progression from non-insulin requiring type 2 diabetes to insulin requiring type 2 diabetes.
  • the present compounds are used for the preparation of a pharmaceutical composition for the treatment of type 1 diabetes. Such treatment is normally accompanied by insulin therapy.
  • the present compounds are used for the preparation of a pharmaceutical composition for the treatment of obesity.
  • the present compounds are used for the preparation of a pharmaceutical composition for the treatment of disorders of the lipid metabolism.
  • the present compounds are used for the prepara- tion of a pharmaceutical composition for the treatment of an appetite regulation or energy expenditure disorder.
  • treatment of a patient with the present compounds is combined with diet and/or exercise.
  • the present compounds are administered in combination with one or more further active substances in any suitable ratios.
  • Such further active substances may eg be selected from antidiabetics, antiobesity agents, antihypertensive agents, agents for the treatment of complications resulting from or associated with diabetes and agents for the treatment of complications and disorders resulting from or associated with obesity.
  • the present compounds may be administered in combination with one or more antidiabetics.
  • Suitable antidiabetic agents include insulin, insulin analogues and derivatives such as those disclosed in EP 792 290 (Novo Nordisk A/S), eg N ⁇ B29 -tetradecanoyl des (B30) human insulin, EP 214 826 and EP 705 275 (Novo Nordisk A/S), eg Asp B28 human insulin, US 5,504,188 (Eli Lilly), eg Lys B28 Pro 829 human insulin, EP 368 187 (Aventis), eg Lantus®, which are all incorporated herein by reference, GLP-1 and GLP-1 derivatives such as those disclosed in WO 98/08871 (Novo Nordisk A S), which is incorporated herein by reference, as well as orally active hypoglycemic agents.
  • the orally active hypoglycemic agents preferably comprise imidazolines, sulphonylureas, biguanides, meglitinides, oxadiazolidinediones, thiazolidinediones, insulin sensitizers, insulin secretagogues, such as glimepiride, ⁇ -glucosidase inhibitors, agents acting on the ATP- dependent potassium channel of the ⁇ -cells eg potassium channel openers such as those disclosed in WO 97/26265, WO 99/03861 and WO 00/37474 (Novo Nordisk A/S) which are incorporated herein by reference, or mitiglinide, or a potassium channel blocker, such as BTS-67582, nateglinide, glucagon antagonists such as those disclosed in WO 99/01423 and WO 00/39088 (Novo Nordisk A/S and Agouron Pharmaceuticals, Inc.), which are incorporated herein by reference, GLP-1 agonists such as those disclosed
  • the present compounds are administered in combination with insulin or an insulin analogue or derivative, such as N ⁇ B - 29 -tetradecanoyl des (B30) human insulin, Asp 828 human insulin, Lys B28 Pro 829 human insulin, Lantus®, or a mix-preparation comprising one or more of these.
  • the present compounds are administered in com- bination with a sulphonylurea such as glibenclamide, glipizide, tolbautamide, chloropamidem, tolazamide, glimepride, glicazide and glyburide.
  • the present compounds are administered in combination with a biguanide eg metformin.
  • the present compounds are administered in com- bination with a meglitinide eg repaglinide or nateglinide.
  • the present compounds are administered in combination with a thiazolidinedione insulin sensitizer eg troglitazone, ciglitazone, pioglita- zone, rosiglitazone, isaglitazone, darglitazone, englitazone, CS-011/CI-1037 or T 174 or the compounds disclosed in WO 97/41097, WO 97/41119, WO 97/41120, WO 00/41121 and WO 98/45292 (Dr. Reddy's Research Foundation), which are incorporated herein by reference.
  • a thiazolidinedione insulin sensitizer eg troglitazone, ciglitazone, pioglita- zone, rosiglitazone, isaglitazone, darglitazone, englitazone, CS-011/CI-1037 or T 174 or the compounds disclosed in WO 97/41097, WO 97/41119, WO 97/41
  • the present compounds may be administered in combination with an insulin sensitizer eg such as Gl 262570, YM-440, MCC-555, JTT-501 , AR-H039242, KRP-297, GW-409544, CRE-16336, AR-H049020, LY510929, MBX-102, CLX- 0940, GW-501516 or the compounds disclosed in WO 99/19313, WO 00/50414, WO 00/63191 , WO 00/63192, WO 00/63193 such as ragaglitazar (NN 622 or (-)DRF 2725) (Dr.
  • an insulin sensitizer eg such as Gl 262570, YM-440, MCC-555, JTT-501 , AR-H039242, KRP-297, GW-409544, CRE-16336, AR-H049020, LY510929, MBX-102, CLX- 0940, GW-501516 or the compounds
  • the present compounds are administered in combination with an ⁇ -glucosidase inhibitor eg voglibose, emiglitate, miglitol or acarbose.
  • an ⁇ -glucosidase inhibitor eg voglibose, emiglitate, miglitol or acarbose.
  • the present compounds are administered in combi- nation with an agent acting on the ATP-dependent potassium channel of the ⁇ -cells eg tolbu- tamide, glibenclamide, glipizide, glicazide, BTS-67582 or repaglinide.
  • the present compounds may be administered in combination with nateglinide.
  • the present compounds are administered in combination with an antilipidemic agent or antihyperlipidemic agent eg cholestyramine, colestipol, clofibrate, gemfibrozil, lovastatin, pravastatin, simvastatin, pitavastatinj rosuvas- tatin, probucol, dextrothyroxine, fenofibrate or atorvastin.
  • an antilipidemic agent or antihyperlipidemic agent eg cholestyramine, colestipol, clofibrate, gemfibrozil, lovastatin, pravastatin, simvastatin, pitavastatinj rosuvas- tatin, probucol, dextrothyroxine, fenofibrate or atorvastin.
  • the present compounds are administered in combination with compounds lowering food intake.
  • the present compounds are administered in combination with more than one of the above-mentioned compounds eg in combination with met- formin and a sulphonylurea such as glyburide; a sulphonylurea and acarbose; nateglinide and metformin; repaglinide and metformin, acarbose and metformin; a sulfonylurea, met- formin and troglitazone; insulin and a sulfonylurea; insulin and metformin; insulin, metformin and a sulfonylurea; insulin and troglitazone; insulin and lovastatin; etc.
  • met- formin and a sulphonylurea such as glyburide
  • a sulphonylurea and acarbose such as glyburide
  • the present compounds may be administered in combination with one or more antiobesity agents or appetite regulating agents.
  • agents may be selected from the group consisting of CART (cocaine amphetamine regulated transcript) agonists, NPY (neuropeptide Y) antagonists, MC4 (melanocortin 4) agonists, MC3 (melanocortin 3) agonists, orexin antagonists, TNF (tumor necrosis factor) agonists, CRF (corticotropin releasing factor) agonists, CRF BP (corticotropin releasing factor binding protein) antagonists, urocortin agonists, ⁇ 3 adrenergic agonists such as CL- 316243, AJ-9677, GW-0604, LY362884, LY377267 or AZ-40140, MSH (melanocyte- stimulating hormone) agonists, MCH (melanocyte-concentrating hormone) antagonists, CCK (cholecyl) agonists,
  • the antiobesity agent is dexamphetamine or amphetamine. In another embodiment the antiobesity agent is leptin.
  • the antiobesity agent is fenfluramine or dexfenfluramine. In still another embodiment the antiobesity agent is sibutramine. In a further embodiment the antiobesity agent is orlistat.
  • the antiobesity agent is mazindol or phentermine. In still another embodiment the antiobesity agent is phendimetrazine, diethylpropion, fluoxetine, bupropion, topiramate or ecopipam. Furthermore, the present compounds may be administered in combination with one or more antihypertensive agents.
  • antihypertensive agents examples include ⁇ -blockers such as alpre- nolol, atenolol, timolol, pindolol, propranolol and metoprolol, ACE (angiotensin converting enzyme) inhibitors such as benazepril, captopril, enalapril, fosinopril, lisinopril, quinapril and ramipril, calcium channel blockers such as nifedipine, felodipine, nicardipine, isradipine, ni- modipine, diltiazem and verapamil, and ⁇ -blockers such as doxazosin, urapidil, prazosin and terazosin.
  • ACE angiotensin converting enzyme
  • the compounds of the present invention may be administered in combination with FAS inhibitors.
  • the compounds of the present invention may also be administered in combination with chemical uncouplers, hormone sensitive lipase inhibitore, imidazolines, 11 - ⁇ -hydroxysteroid dehydrogenase inhibitors, lipoprotein lipase activatore, AMPK activators, immunosuppresive drugs, nicotinamide, ASIS, anti-androgens or carboxypeptidase inhibitors. It should be understood that any suitable combination of the compounds according to the invention with diet and/or exercise, one or more of the above-mentioned compounds and optionally one or more other active substances are considered to be within the scope of the present invention.
  • the compounds of the invention may be administered alone or in combination with pharma- ceutically acceptable carriers or excipients, in either single or multiple doses.
  • the pharmaceutical compositions according to the invention may be formulated with pharmaceutically acceptable carriers or diluents as well as any other known adjuvants and excipients in accordance with conventional techniques such as those disclosed in Remington: The Science and Practice of Pharmacy, 19 h Edition, Gennaro, Ed., Mack Publishing Co., Easton, PA, 1995.
  • compositions may be specifically formulated for administration by any suitable route such as the oral, rectal, nasal, pulmonary, topical (including buccal and sublin- gual), transdermal, intracistemal, intraperitoneal, vaginal and parenteral (including subcutaneous, intramuscular, intrathecal, intravenous and intradermal) route, the oral route being preferred. It will be appreciated that the preferred route will depend on the general condition and age of the subject to be treated, the nature of the, condition to be treated and the active ingredient chosen.
  • compositions for oral administration include solid dosage forms such as capsules, tablets, dragees, pills, lozenges, powders and granules. Where appropriate, they can be prepared with coatings such as enteric coatings or they can be formulated so as to pro- vide controlled release of the active ingredient such as sustained or prolonged release according to methods well known in the art.
  • Liquid dosage forms for oral administration include solutions, emulsions, suspensions, syrups and elixirs.
  • compositions for parenteral administration include sterile aqueous and non- aqueous injectable solutions, dispersions, suspensions or emulsions as well as sterile powders to be reconstituted in sterile injectable solutions or dispersions prior to use. Depot injectable formulations are also contemplated as being within the scope of the present invention.
  • Other suitable administration forms include suppositories, sprays, ointments, cremes, gels, inhalants, dermal patches, implants etc.
  • a typical oral dosage is in the range of from about 0.001 to about 100 mg/kg body weight per day, preferably from about 0.01 to about 50 mg/kg body weight per day, and more preferred from about 0.05 to about 10 mg/kg body weight per day administered in one or more dosages such as 1 to 3 dosages.
  • the exact dosage will depend upon the frequency and mode of administration, the sex, age, weight and general condition of the subject treated, the nature and severity of the condition treated and any concomitant diseases to be treated and other factors evident to those skilled in the art.
  • the formulations may conveniently be presented in unit dosage form by methods known to those skilled in the art.
  • a typical unit dosage form for oral administration one or more times per day such as 1 to 3 times per day may contain from 0.05 to about 1000 mg, preferably from about 0.1 to about 500 mg, and more preferred from about 0.5 mg to about 200 mg.
  • typical doses are in the order of about half the dose employed for oral administration.
  • the compounds of this invention are generally utilized as the free substance or as a pharmaceutically acceptable salt thereof.
  • One example is a base addition salt of a compound having the utility of a free acid.
  • a compound of the formula (I) contains a free acid such salts are prepared in a conventional manner by treating a solution or suspension of a free acid of the formula (I) with a chemical equivalent of a pharmaceutically acceptable base. Representative examples are mentioned above. , ⁇ .
  • solutions of the novel compounds of the formula (I) in sterile aqueous solution, aqueous propylene glycol, aqueous vitamin E or sesame or peanut oil may be employed.
  • aqueous solutions should be suitably buffered if necessary and the liquid diluent first rendered isotonic with sufficient saline or glucose.
  • the aqueous solutions are particularly suitable for intravenous, intramuscular, subcutaneous and intraperitoneal administration.
  • the sterile aqueous media employed are all readily available by standard techniques known to those skilled in the art.
  • Suitable pharmaceutical carriers include inert solid diluents or fillers, sterile aqueous solution and various organic solvents.
  • solid carriers are lactose, terra alba, sucrose, cyclodextrin, talc, gelatine, agar, pectin, acacia, magnesium stearate, stearic acid and lower alkyl ethers of cellulose.
  • liquid carriers are syrup, peanut oil, olive oil, phospho- lipids, fatty acids, fatty acid amines, polyoxyethylene and water.
  • the carrier or diluent may include any sustained release material known in the art, such as glyceryl mono- stearate or glyceryl distearate, alone or mixed with a wax.
  • compositions formed by combining the novel compounds of the formula (I) and the pharmaceutically acceptable carriers are then readily administered in a variety of dosage forms suitable for the disclosed routes of administration.
  • the formulations may conveniently be presented in unit dosage form by methods known in the art of pharmacy.
  • Formulations of the present invention suitable for oral administration may be presented as discrete units such as capsules or tablets, each containing a predetermined amount of the active ingredient, and which may include a suitable excipient.
  • the orally available formulations may be in the form of a powder or granules, a solution or suspension in an aqueous or non-aqueous liquid, or an oil-in-water or water-in-oil liquid emulsion.
  • the preparation may be tabletted, placed in a hard gelatine capsule in powder or pellet form or it can be in the form of a troche or lozenge.
  • the amount of solid carrier will vary widely but will usually be from about 25 mg to about 1 g.
  • the preparation may be in the form of a syrup, emulsion, soft gelatine capsule or sterile injectable liquid such as an aqueous or non-aqueous liquid suspension or solution.
  • a typical tablet that may be prepared by conventional tabletting techniques may contain:
  • Active compound (as free compound or salt thereof) 5.0 mg
  • the pharmaceutical composition of the invention may comprise the compound of the formula (I) in combination with further pharmacologically active substances such as those described in the foregoing.
  • HPLC-MS (Method A) The following instrumentation is used: Hewlett Packard series 1100 G1312A Bin Pump Hewlett Packard series 1100 Column compartment Hewlett Packard series 1100 G13 15A DAD diode array detector Hewlett Packard series 1100 MSD The instrument is controlled by HP Chemstation software. The HPLC pump is connected to two eluent reservoirs containing: A: 0.01 % TFA in water B: 0.01% TFA in acetonitrile
  • the analysis is performed at 40 °C by injecting an appropriate volume of the sample (preferably 1 mL) onto the column, which is eluted with a gradient of acetonitrile.
  • an appropriate volume of the sample preferably 1 mL
  • the HPLC conditions, detector settings and mass spectrometer settings used are given in the following table.
  • Steps 4.5 and 6 Preparation of 3-(4-aminobenzoyl)propionic acid
  • the reactions are generally is known and similar steps have been described in eg. WO 0069810.
  • the steps consist of coupling of (N-protected) 4-aminobenzoic acid with 3- aminopropionic acid ester, followed by deprotection of the ester and amino groups.
  • the protecting scheme can be varied well known to those skilled in the art.
  • Step 7 Condensation of the intermediates obtained in steps 3 and 6
  • This step is in principle a condensation of an aniline (obtained in step 6) with the oxazol-5- one obtained in step 3 to give an imidazol-5-one.
  • This reaction is well known in the literature and is normally performed by heating the reactants in a mixture of acetic acid and sodium acetate (Habib et al., J. Prakt. Chem., 1986, 328, 295-300), heating the reactants in pyridine (Mathur and Sahay, J. Indian Chem. Soc, 1990, 67, 856-8), or heating the neat reactants (Bhatt et al., Indian J. Chem., 1999, 38B, 628-31).
  • the esterfication is carried out in solvents such as THF, dioxane, toluene, DCM, DMF, NMP or a mixture of two or more of these.
  • solvents such as THF, dioxane, toluene, DCM, DMF, NMP or a mixture of two or more of these.
  • the reactions are performed between O °C and 80 °C, preferably between 20 °C to 40 °C.
  • excess of reagent is removed by filtration.
  • the resin is successively washed with the solvent used in the reaction, followed by washing with methanol.
  • the resin bound product can be further dried and analyzed.
  • ⁇ /-Fluorenylmethylcarbonyl protecting group is removed by treating the resin bound derivative with a 20%-50% solution of a secondary amine such as piperidine in a polar solvent such as DMF or NMP (Carpino L, Han G., J. Org. Chem. 37, 3404, 1972).
  • the reaction is performed between 20 °C to 180 °C, preferably between 20 °C to 40 °C.
  • excess of reagent is removed by filtration.
  • the resin is successively washed with solvent used in the reaction.
  • the resulting resin bound intermediate is acylated with acid.
  • the acylation is known (The combinatorial index, Ed. Bunin B. A., 1998, Acedemic press, p.
  • acylation is carried out in a solvent such as THF, dioxane, toluene, DCM, DMF, NMP or a mixture of two or more of these.
  • the reactions are performed between 0 °C to 80 °C, preferably between 20 °C to 40 °C.
  • excess of reagent is removed by filtration.
  • the resin is successively washed with the solvent used in the reaction, followed by washing with methanol.
  • the resin bound product can be further dried and analyzed.
  • This reaction is a modification of previously described procedures for aldol condensation on solid support (Sensfuss U. Tetrahedron Letters 442371-2374 (2003).
  • the reaction is carried out by reacting polystyrene-linked benzaldehydes with methyl ketones in presence of co- balt(ll) or zinc acetate 2,2'-bipyridine complexes and an amidine base at elevated tempera- ture to give resin-bound (E)-enones.
  • the reaction is carried out in a polar aprotic solvent like DMF or NMP.
  • the reactions are performed 40 °C to 120 °C preferreably at 70 °C-80 °C.
  • excess of reagent is removed by filtration.
  • the resin is successively washed with the solvent used in the reaction, followed by washing with methanol.
  • the resin bound product can be further dried and analyzed.
  • aldehydes to activated double bonds is generally carried out by stirring the aldehyde with a compound that contains an activated double bond such as a substituted propenone in the presence of a catalyst such as sodium or potassium cyanide or thiazolium salts such as 3,4-dimethyl-5-(2-hydroxyethyl)thiazolium iodide, 3-benzyl-5-(2-hydroxyethyl)- 4-methyl-1 ,3-thiazolium chloride, 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1 ,3-thiazolium bromide or vitamin B-
  • a catalyst such as sodium or potassium cyanide or thiazolium salts
  • 3,4-dimethyl-5-(2-hydroxyethyl)thiazolium iodide 3-benzyl-5-(2-hydroxyethyl)- 4-methyl-1 ,3-thiazolium chloride, 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1
  • a non-nucleophilic amine base such as triethyl amine, ⁇ /, ⁇ /-diisopropylethylamine or DBU is added.
  • the addition is carried out in a solvent such as dioxane, DMSO, NMP or DMF or a mixture of two or more of these.
  • the reactions are performed between 50 °C to 120 °C, preferably between 50 °C to 80 °C.
  • excess of reagent is removed by filtration.
  • the resin is successively washed with the solvent used in the reaction, followed by washing with methanol.
  • the resin bound product can be further dried and analyzed.
  • step 21 is generally performed by stirring the resin bound intermediate obtained in step 3 with a 50-95 % solution of TFA.
  • the final cleavage is carried out in a solvent such as THF, DCM, 1 ,2 dichloroethane, 1 ,3-dichloropropane, toluene or a mixture or more of these.
  • the reactions are performed between 0 °C to 80 °C, preferably between 20 °C to 40 °C.
  • the product is removed by filtration.
  • the resin is successively washed with DCM.
  • the product and washings are collected.
  • the solvent is removed and the product is dried in vacuo.
  • the procedure is further illustrated in the following example.
  • Step 1 and Step 2 Resin bound 3-(4-formylbenzoylamino)propionic acid 3-(4-Formylbenzoylamino)propionic acid resin bound to a Wang resin (loading approximately 0.2 - 0.8 mmol/g) was synthesized according to the procedure described in WO 00/69810.
  • Step 3 Preparation of resin bound 3-(4-(3-(4-cyclohexylphenyl)-3-oxopropenyl)- benzoylamino)propionic acid
  • the above resin bound 3-(4-formylbenzoylamino)propionic acid (1 g resin) was suspended in DMF (20 mL) for 30 min and filtered.
  • 4-cyclohexylacetophenone (4.05 g, 20 mmol) was dissolved in DMF (10 mL) and added to the resin.
  • Zinc(ll)acetate dihydrate (220 mg, 1 mmol) and 2,2'-bipyridine (156 mg, 1 mmol) was dissolved in DMF (10 mL) and added.
  • DBU (2 mmol) was added and the suspension was shaken at 70 °C for 16 hours.
  • the resin was iso- lated by filtration and washed with methanol (1 x 20 mL) and NMP (2 x 20 mL).
  • the suspension was shaken at 70 °C for 16 hours.
  • the resin was isolated by filtration and washed with methanol (1 x 20 mL), DCM containing 5 % acetic acid (1 x 20 mL) followed by DCM (3 x (20 mL).
  • the resin bound 3- ⁇ 4-[3-(4-Cyclohexylphenyl)-3-oxo-1-(4- trifluoromethoxybenzoyl)propyl]benzoylamino ⁇ propionic acid was treated with 50% TFA in DCM (20 mL) for 0.5 hour at 25 oC.
  • the mixture was filtered and the resin was washed with DCM (20 mL).
  • the combined filtrates were concentrated in vacuo to afford an oil which was purified on silica gel column eluted with DCM/ethanol (95:5) to afford the title compound.
  • the indicated bonds are either single or double bonds (to give 5 and 6-membered het- eroaromatic ring systems, respectively).
  • the reagent H 2 -Y'Z' is NH 2 NH 2 , H 2 O, H 2 S, NH 2 R' or any salt or hydrate thereof,
  • reaction is generally performed in the presence of a dehydrating reagent like (CH 3 CO) 2 O or BF 3 in the presence of an acid, such as H 2 SO 4 , H 3 PO 4 , HCI, TsOH or by acid alone in a non aqueous environment. .
  • a dehydrating reagent like (CH 3 CO) 2 O or BF 3
  • an acid such as H 2 SO 4 , H 3 PO 4 , HCI, TsOH or by acid alone in a non aqueous environment.
  • Step 1 Z-3- ⁇ 4-[2-(4-Cyclohexylphenyl)-4-oxo-4-(4-trifluoromethoxyphenyl)-but-2- enoyl]benzoylamino ⁇ propion ic acid
  • This compound was prepared as described in WO2003048109.
  • Step 2 3- ⁇ 4-[4-(4-Cyclohexylphenyl)-6-(4-trifluoromethoxyphenyl)pyridazin-3- yl]benzoylamino ⁇ propionic acid
  • Step 1 3- ⁇ 4-[2-(4-Cyclohexylphenyl)-4-oxo-4-(4- trifluoromethylsulfanylphenyl)butyryl]benzoylamino ⁇ propionic acid.
  • This compound was prepared as described in WO2003048109.
  • Step 2 3- ⁇ 4-[3-(4-Cyclohexylphenyl)-5-(4-trifluoromethylsulfanylphenyl)-1 H-pyrrol-2- yl]benzoylamino ⁇ propionic acid.
  • Step 1 4-Phenylsulfanylmethylbenzoic acid methylester.
  • Step 2 4-Benzenesulfinylmethylbenzoic acid methyl ester.
  • 4-Phenylsulfanylmethylbenzoic acid methylester (4.87 g, 18,9 mmol) was dissolved in dichloromethane (100 mL).
  • 3-Chlorobenzenecarboperoxoic acid (4.22 g) was added slowly over 15 minutes. The mixture was stirred for 1.5 hour at room temperature. The mixture was was washed with a 2% solution of Na 2 S 2 O 5 in water (100 mL), followed by wash with saturated aqueous sodium carbonate (100 mL).
  • Step 3 4-r2-(4-Cvclohexylphenyl)-3-(4-trifluoromethoxybenzovhcvclopropyr
  • Cyclohexylphenyl)-1-(4-trifluoromethoxyphenyl)propenone (1.13 g, 3.01 mmol, prepared as described in WO2003048109) were dissolved in dry pyridine (25 mL) and the pyridine subsequently removed by evaporation, followed by an additional evaporation from toluene (25 mL).
  • the mixture was dissolved in dry DMF (10 mL) 60 % suspension of sodium hydride in mineral oil (0,143 g, 3.6mmol) was added and the suspension was stirred under nitrogen for 1 hour.. The reaction was quenched with acetic acid (2 mL) stirred for 5 minutes and heated to 120°C for 30 minutes.
  • Step 4 4-r2-(4-Cvclohexylphenyl)-3-(4-trifluoromethoxybenzoyl)cvclopropyllbenzoic acid.
  • 4-[2-(4-Cyclohexylphenyl)-3-(4-trifluoromethoxybenzoyl)cyclopropyl]ben ⁇ oic acid methyl es- ter (0.6 g, 1.15 mmol) was dissolved in THF (10 mL), Potassium trimethylsilanolate (0.44 g, 3.44 mmol) was added and, the mixture was stirred overnight under nitrogen at room tern- perature.
  • Step 5 3-(4-r2-(4-Cvclohexylphenyl)-3-(4- trifluoromethoxybenzoyl)cvclopropyl1benzoylamino ⁇ propionic acid methyl ester.
  • 4-[2-(4-Cyclohexylphenyl)-3-(4-trifluoromethoxybenzoyl)cyclopropyl]benzoic acid (0.20 g, 0.40 mmol) was dissolved in DMF (3 mL).
  • 1 -(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride 72 mg, 0.
  • Step 6 3-f4-r2-(4-Cvclohexylphenyl)-3-(4- trifluoromethoxybenzovOcvclopropyfjbenzoylaminojpropionic acid 3- ⁇ 4-[2-(4-Cyclohexylphenyl)-3-(4- trifluoromethoxybenzoyl)cyclopropyl]benzoylamino ⁇ propionic acid methyl ester (0.23 g, 0.389 mmol) was dissolved in ethanol (4 mL). 4 N aqueous sodium hydroxide (1 mL) was added and the mixture was stirred at room temperature overnight. The mixture was diluted with water (50 mL) and 1 N hydrochloric acid (4.5 mL). The crude product was isolated by filtration and further purified by silica gel column chromatography eluting with dichloro- methane/methanol/acetic acid (96:3:1) to afford the title compound (53 mg, 24%).
  • Dichloroisocyanuric acid sodium salt (1.7 g, 9 mmol) was dissolved in water (3 mL) and alu- miniuoxide (3 g) was added. The mixture was evaporated to dryness and suspended in dichloromethane (10 mL). 4-(Hydroxyiminomethyl)benzoic acid methyl ester (0.54 g, 3.0 mmol) and 1 -(4-tert-butylphenyl)-3-(4-cyclohexylphenyl)propenone (1.1 g, 3.0 mmol) was added and the mixture stirred at 5-8 °C for 3 hours. The mixture was filtered and filtrate concentrated in vacuo.
  • the crude product was purified by flash chromatography on silica using ethyl acetate and heptane (gradient from 1 :9 to 1 :1) to give 0.12 g of 4-[5-(4-te/ butylbenzoyl)-4- (4-cyclohexylphenyl)-4,5-dihydroisoxazol-3-yl]benzoic acid methyl ester as the first isomer that was eluated and 0.12 g of 4-[4-(4-fert-butylbenzoyl)-5-(4-cyclohexylphenyl)-4,5- dihydroisoxazol-3-yl]benzoic acid methyl ester as the second isomer that was eluated.
  • This compound was prepared analogously to the compound described in example 12, using t thhee o otthheerr i issoollaatteedd i issoommeerr.
  • the aqueous solution was acidified with 4N hydrochloric acid (0.1 mL) and extracted with ethyl acetate (2x10 mL). The organic phase was dried and concentrated in vacuo to give 0.40 g of crude product that was used in the next step.
  • Binding of compounds to the glucagon receptor may be determined in a competition binding assay using the cloned human glucagon receptor.
  • Antagonism may be determined as the ability of the compounds to inhibit the amount of cAMP formed in the presence of 5 nM glucagon.
  • Glucagon Binding Assay Receptor binding are assayed using cloned human receptor (Lok et al., Gene 140, 203-209 (1994)). The receptor inserted in the pLJ6' expression vector using EcoRI/SSt1 restriction sites (Lok et al.) is expressed in a baby hamster kidney cell line (A3 BHK 570-25). Clones are selected in the presence of 0.5 mg/mL G-418 and are shown to be stable for more than 40 passages. The K is shown to be 0.1 nM.
  • Plasma membranes are prepared by growing cells to confluence, detaching them from the surface and resuspending the cells in cold buffer (10 mM tris/HCI, pH 7.4 containing 30 mM NaCI, 1 mM dithiothreitol, 5 mg/l leupeptin (Sigma), 5 mg/l pepstatin (Sigma), 100 mg/l ba- citracin (Sigma) and 15 mg/l recombinant aprotinin (Novo Nordisk A/S)), homogenization by two 10-s bursts using a Polytron PT 10-35 homogenizer (Kinematica), and centrifugation upon a layer of 41 w/v % sucrose at 95.000 x g for 75 min.
  • cold buffer 10 mM tris/HCI, pH 7.4 containing 30 mM NaCI, 1 mM dithiothreitol, 5 mg/l leupeptin (Sigma), 5 mg/l pepstatin (Sigma), 100 mg/
  • the white band located between the two layers is diluted in buffer and centrifuged at 40.000 x g for 45 min.
  • the precipitate containing the plasma membranes is suspended in buffer and stored at -80 °C until use.
  • Glucagon is iodinated according to the chloramine T method (Hunter and Greenwood, Nature 194, 495 (1962)) and purified using anion exchange chromatography (J ⁇ rgensen et al., Hormone and Metab. Res. 4, 223-224 (1972).
  • the specific activity is 460 ⁇ Ci/ ⁇ g on the day of iodination. Tracer is stored at -18 °C in aliquots and used immediately after thawing.
  • Binding assays are carried out in triplicate in filter microtiter plates (MADV N65, Milli- pore).
  • the buffer is 50 mM HEPES, 5 mM EGTA, 5 mM MgCI 2 , 0.0O5% tween 20, pH 7.4.
  • Glucagon is dissolved in 0.05 M HCI, added an equal amount (w/w) of human serum albumin and freeze-dried. On the day of use, it is dissolved in water and diluted in buffer to the desired con- centrations. Test compounds are dissolved and diluted in DMSO. 140 ⁇ l buffer, 25 ⁇ l glucagon or buffer, and 10 ⁇ l DMSO or test compound are added to each well.
  • Tracer (50.000 cpm) is diluted in buffer and 25 ⁇ l is added to each well. 1 -4 ⁇ g freshly thawed plasma membrane protein diluted in buffer is then added in aliquots of 25 ⁇ l to each well. Plates are incubated at 30 °C for 2 hours. Non-specific binding is determined with 10 "6 M of glucagon. Bound tracer and unbound tracer are then separated by vacuum filtration (Millipore vacuum manifold). The plates are washed with 2 x 100 ⁇ l buffer/ well. The plates are air dried for a couple of hours, whereupon the filters are separated from the plates using a Millipore Puncher. The filters are counted in a gamma counter.
  • the functional assay is carried out in 96 well microtiter plates (tissue culture plates, Nunc).
  • the resulting buffer concentrations in the assay are 50 mM tris/HCI, 1 mM EGTA, 1.5 mM MgSO 4 , 1.7 mM ATP, 20 ⁇ M GTP, 2 mM IBMX, 0.02% tween-20 and 0.1% human serum albumin. pH was 7.4.
  • Glucagon and proposed antagonist are added in aliquots of 35 ULI diluted in 50 mM tris/HCI, 1 mM EGTA, 1.85 mM MgSO 4 , 0.0222% tween-20 and 0.111% human serum albumin, pH 7.4.
  • MgSO human serum albumin buffer (the actual concentrations are dependent upon the concentration of protein in the stored plasma membranes).
  • the total assay volume is 140 ⁇ l.
  • the plates are incubated for 2 hours at 37 °C with continuous shaking. Reaction is terminated by addition of 25 ⁇ l 0.5 N HCI.
  • cAMP is measured by the use of a scintillation proximity kit (Amersham).
  • Glucagon Binding Assay BHK (baby hamster kidney cell line) cells are transfected with the human glucagon receptor and a membrane preparation of the cells is prepared. Wheat Germ Agglut ⁇ nin derivatized SPA beads containing a scintillant (WGA beads) (Amersham) bound the membranes. 125 l-glucagon bound to human glucagon receptor in the membranes and excited the scintillant in the WGA beads to light emission. Glucagon or samples binding to the receptor competed with 125 l-glucagon. All steps in the membrane preparation are kept on ice or performed at 4 °C. BHK cells are harvested and centrifuged.
  • WGA beads scintillant
  • homogenised 2 x 10 sec
  • homogenised 2 x 10 sec. Polytron
  • the protein concentration is normally around 1.75 mg/mL.
  • the membrane preparation is stored at -80 °C.
  • the glucagon binding assay is carried out in opti plates (Polystyrene icroplates, Packard).
  • 5 ⁇ l glucagon or test compound in DMSO
  • 50 ⁇ l tracer 125 l-porcine glucagon, 50.000 cpm
  • 50 ⁇ l membranes 7.5 ⁇ g containing the human glucagon receptor are then added to the wells.
  • BHK (baby hamster kidney cell line) cells are transfected with the human GIP recep-. tor and a membrane preparation of the cells is prepared.
  • Wheat Germ Agglutinin derivatized SPA beads containing a scintillant (WGA beads) (Amersham) bound the membranes.
  • 125 I-GIP bound to human GIP receptor in the membranes and excited the scintillant in the WGA beads to light emission.
  • GIP or samples binding to the receptor competed with 125 I-GIP. All steps in the membrane preparation are kept on ice or performed at 4 °C. BHK cells are harvested and centrifuged.
  • homogenised 2 x 10 sec
  • homogenised 2 x 10 sec. Polytron
  • the protein concentration is normally around 1.75 mg/mL.
  • the membrane preparation is stored at -80 °C.
  • the GIP binding assay is carried out in opti plates (Polystyrene Microplates, Pack- ard).
  • 5 ⁇ l GIP or test compound in DMSO
  • 50 ⁇ l tracer 125 l-porcine GIP, 50.000 cpm
  • 50 ⁇ l membranes (20 ⁇ g) containing the human GIP receptor are then added to the wells.
  • 50 ⁇ l WGA beads containing 1 mg beads are transferred to the well.
  • the opti plates are incubated for 3.5 hours on a shaker and then settled for 8-48 hours.
  • the opti plates are counted i n a Topcounter.
  • Non-specific binding is determined with 500 nM of GIP.
  • the compounds show a higher affinity for the glucagon receptor compared to the GIP receptor.

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Abstract

L'invention concerne de nouveaux composés qui ont un effet antagoniste sur l'action de l'hormone peptidique du récepteur du glucagon. Plus particulièrement, l'invention concerne des antagonistes ou des agonistes inverses du glucagon.
PCT/EP2004/053580 2003-12-19 2004-12-17 Nouveaux antagonistes/agonistes inverses du glucagon Ceased WO2005058845A2 (fr)

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EP1727542A4 (fr) * 2004-03-26 2009-08-05 Cytokine Pharmasciences Inc Composes, compositions, procedes de fabrication, et procedes d'utilisation destines inhiber le facteur d'inhibition de la migration des macrophages
WO2010039789A1 (fr) * 2008-10-03 2010-04-08 Schering Corporation Dérivés de spiro-imidazolone utilisés en tant qu'antagonistes des récepteurs du glucagon
US7935713B2 (en) 2006-05-16 2011-05-03 Merck Sharp & Dohme Corp. Glucagon receptor antagonist compounds, compositions containing such compounds and methods of use
US7989472B2 (en) 2006-03-23 2011-08-02 Merck Sharp & Dohme Corp. Glucagon receptor antagonist compounds, compositions containing such compounds and methods of use
WO2012074168A1 (fr) * 2010-11-30 2012-06-07 에스케이유화 주식회사 Procédé de préparation du 4-hydroxyiminobenzoate de méthyle
US8507533B2 (en) 2011-02-08 2013-08-13 Pfizer Inc. Glucagon receptor modulators
US8772512B2 (en) 2009-07-10 2014-07-08 Janssen Pharmaceutica Nv Crystallisation process for 1-(β-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethyl] benzene
US8809342B2 (en) 2010-12-23 2014-08-19 Pfizer Inc. Glucagon receptor modulators
US8927577B2 (en) 2011-07-22 2015-01-06 Pfizer Inc. Quinolinyl glucagon receptor modulators
US9024009B2 (en) 2007-09-10 2015-05-05 Janssen Pharmaceutica N.V. Process for the preparation of compounds useful as inhibitors of SGLT
US9035044B2 (en) 2011-05-09 2015-05-19 Janssen Pharmaceutica Nv L-proline and citric acid co-crystals of (2S, 3R, 4R, 5S,6R)-2-(3-((5-(4-fluorophenyl)thiopen-2-yl)methyl)4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
US9056850B2 (en) 2008-10-17 2015-06-16 Janssen Pharmaceutica N.V. Process for the preparation of compounds useful as inhibitors of SGLT
AU2009258242B2 (en) * 2008-05-14 2015-07-16 The Scripps Research Institute Novel modulators of sphingosine phosphate receptors
US9174971B2 (en) 2009-10-14 2015-11-03 Janssen Pharmaceutica Nv Process for the preparation of compounds useful as inhibitors of SGLT2
US10544135B2 (en) 2011-04-13 2020-01-28 Janssen Pharmaceutica Nv Process for the preparation of compounds useful as inhibitors of SGLT2
US10617668B2 (en) 2010-05-11 2020-04-14 Janssen Pharmaceutica Nv Pharmaceutical formulations
US11207337B2 (en) 2015-09-15 2021-12-28 Janssen Pharmaceutica Nv Co-therapy comprising canagliflozin and phentermine for the treatment of obesity and obesity related disorders
US11576894B2 (en) 2009-07-08 2023-02-14 Janssen Pharmaceutica Nv Combination therapy for the treatment of diabetes

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CZ20024105A3 (cs) * 2000-06-23 2003-05-14 Novo Nordisk A/S Glukagonoví antagonisté/inverzní agonisté
JP2004513936A (ja) * 2000-11-17 2004-05-13 ノボ　ノルディスク　アクティーゼルスカブ グルカゴンアンタゴニスト／逆アゴニスト
WO2002040444A1 (fr) * 2000-11-17 2002-05-23 Novo Nordisk A/S Antagonistes/agonistes inverses de glucagon
AU2003291959A1 (en) * 2002-12-20 2004-07-14 Novo Nordisk A/S Novel glucagon antagonists
US20040209928A1 (en) * 2002-12-30 2004-10-21 Ravi Kurukulasuriya Glucagon receptor antagonists/inverse agonists

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EP1727542A4 (fr) * 2004-03-26 2009-08-05 Cytokine Pharmasciences Inc Composes, compositions, procedes de fabrication, et procedes d'utilisation destines inhiber le facteur d'inhibition de la migration des macrophages
US7989472B2 (en) 2006-03-23 2011-08-02 Merck Sharp & Dohme Corp. Glucagon receptor antagonist compounds, compositions containing such compounds and methods of use
US7935713B2 (en) 2006-05-16 2011-05-03 Merck Sharp & Dohme Corp. Glucagon receptor antagonist compounds, compositions containing such compounds and methods of use
US9024009B2 (en) 2007-09-10 2015-05-05 Janssen Pharmaceutica N.V. Process for the preparation of compounds useful as inhibitors of SGLT
US10544136B2 (en) 2008-05-14 2020-01-28 The Scripps Research Institute Modulators of sphingosine phosphate receptors
US9975863B2 (en) 2008-05-14 2018-05-22 The Scripps Research Institute Modulators of sphingosine phosphate receptors
AU2015213309B2 (en) * 2008-05-14 2016-10-13 The Scripps Research Institute Novel modulators of sphingosine phosphate receptors
US9382217B2 (en) 2008-05-14 2016-07-05 The Scripps Research Institute Modulators of sphingosine phosphate receptors
AU2009258242B2 (en) * 2008-05-14 2015-07-16 The Scripps Research Institute Novel modulators of sphingosine phosphate receptors
US8361959B2 (en) 2008-10-03 2013-01-29 Merck Sharp & Dohme Corp. Spiro-imidazolone derivatives as glucagon receptor antagonists
WO2010039789A1 (fr) * 2008-10-03 2010-04-08 Schering Corporation Dérivés de spiro-imidazolone utilisés en tant qu'antagonistes des récepteurs du glucagon
US9056850B2 (en) 2008-10-17 2015-06-16 Janssen Pharmaceutica N.V. Process for the preparation of compounds useful as inhibitors of SGLT
US11576894B2 (en) 2009-07-08 2023-02-14 Janssen Pharmaceutica Nv Combination therapy for the treatment of diabetes
US8772512B2 (en) 2009-07-10 2014-07-08 Janssen Pharmaceutica Nv Crystallisation process for 1-(β-D-glucopyranosyl)-4-methyl-3-[5-(4-fluorophenyl)-2-thienylmethyl] benzene
US9174971B2 (en) 2009-10-14 2015-11-03 Janssen Pharmaceutica Nv Process for the preparation of compounds useful as inhibitors of SGLT2
US10617668B2 (en) 2010-05-11 2020-04-14 Janssen Pharmaceutica Nv Pharmaceutical formulations
WO2012074168A1 (fr) * 2010-11-30 2012-06-07 에스케이유화 주식회사 Procédé de préparation du 4-hydroxyiminobenzoate de méthyle
US8809342B2 (en) 2010-12-23 2014-08-19 Pfizer Inc. Glucagon receptor modulators
US8933104B2 (en) 2010-12-23 2015-01-13 Pfizer Inc. Glucagon receptor modulators
US9056834B2 (en) 2010-12-23 2015-06-16 Pfizer Inc. Glucagon receptor modulators
US9452999B2 (en) 2011-02-08 2016-09-27 Pfizer Inc. Glucagon receptor modulators
US8859591B2 (en) 2011-02-08 2014-10-14 Pfizer Inc. Glucagon receptor modulators
US8507533B2 (en) 2011-02-08 2013-08-13 Pfizer Inc. Glucagon receptor modulators
US9073871B2 (en) 2011-02-08 2015-07-07 Pfizer Inc. Glucagon receptor modulators
US10544135B2 (en) 2011-04-13 2020-01-28 Janssen Pharmaceutica Nv Process for the preparation of compounds useful as inhibitors of SGLT2
US9035044B2 (en) 2011-05-09 2015-05-19 Janssen Pharmaceutica Nv L-proline and citric acid co-crystals of (2S, 3R, 4R, 5S,6R)-2-(3-((5-(4-fluorophenyl)thiopen-2-yl)methyl)4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
US9139538B2 (en) 2011-07-22 2015-09-22 Pfizer Inc. Quinolinyl glucagon receptor modulators
US8927577B2 (en) 2011-07-22 2015-01-06 Pfizer Inc. Quinolinyl glucagon receptor modulators
US11207337B2 (en) 2015-09-15 2021-12-28 Janssen Pharmaceutica Nv Co-therapy comprising canagliflozin and phentermine for the treatment of obesity and obesity related disorders

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