WO1996034865A1 - Novel heterocyclic chemistry - Google Patents
Novel heterocyclic chemistry Download PDFInfo
- Publication number
- WO1996034865A1 WO1996034865A1 PCT/DK1996/000198 DK9600198W WO9634865A1 WO 1996034865 A1 WO1996034865 A1 WO 1996034865A1 DK 9600198 W DK9600198 W DK 9600198W WO 9634865 A1 WO9634865 A1 WO 9634865A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound
- alkyl
- formula
- oxadiazol
- hydrogen
- Prior art date
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- 0 CC1=NC(C)=N*1 Chemical compound CC1=NC(C)=N*1 0.000 description 2
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
Definitions
- the present invention relates to novel substituted ⁇ -carboline derivatives, to methods for their preparation, to pharmaceutical compositions containing them and to their use in the clinical treatment of abnormal functioning of the ⁇ -aminobutyric acid neurotransmission system.
- GABA ⁇ -Aminobutyric acid
- CNS central nervous system
- GABA neurotransmission has been implicated in the etiology of a variety of neurological disorders including epilepsy (Krogsgaard- Larsen et al., 1988, Medical Res. Reviews, 8, 1, 27-56; L ⁇ scher, 1985, Epilepsy and GABA Receptor Agonists: Basic and Therapeutic Research. L.E.R.S. Monograph. Vol. 3, G. Bartholoni, L. Bossi, K.G. Lloyd, P.L. Morselli (Eds.), Raven Press, New York, 109-18); Enna, 1981, Biochem. Pharmacol., 30, 907-14 and Neuropharmacology of Central Nervous System GABA and Behavioral Disorders, G. Palmer (Ed.). Academic Press, New York 1981, 507-25; Rebak et al. , 1979, Science, 205, 211-13; Ross and Craig, 1981, J.Neurochem. 36, 1006).
- the GABA uptake system has traditionally been classified as either neuronal or glial GABA uptake carriers, on the basis of pharmacological selectivity for specific GABA uptake inhibitors (for review see: Krogsgaard-Larsen, 1988, Medical Res. Reviews, 8, 1, 27-56; Schousboe et al. , 1991, GABA Mechanisms in Epilepsy, G. Tunnicliff, B.U. Raess (Eds.) Wiley-Liss, New York, 165-87).
- Several investigators (Gaustella et al., 1990, Science, 249, 1303-1306; Clark et al., 1992, Neuron 9, 337-348; Borden et al., 1992, J.Biol. Chem. 267, 21098-21104; Liu et al. , 1993, J.Biol.Chem. 268, 2106-2112) have recently cloned, and sequenced, four
- GAT-1 is not present outside the CNS (Nelson et al., 1990, FEBS Lett. 269, 181-184; Liu e al., 1992, FEBS. Lett. 305, 110-114).
- GAT-2 was initially cloned by Lopez-Corruera (1992, J.Biol.Chem. 267, 17491-17493) and is
- GAT-15 present in the CNS, kidney and liver, and has a pharmacology resembling the glial GABA uptake carrier characterized in primary cell culture.
- GAT-3 which was initially cloned by Liu et al., (1993, J.Biol.Chem. 267, 2106-2112), appears to be under develop ⁇ mental control, as GAT-3 mRNA is highly expressed in neonatal brain, but weakly expressed in adult brain. GAT-3 is also present in kidney and liver.
- GAT-4 Liu et al.,
- GAT-1 closely resembles the previously reported distribution of 3 H- Tiagabine receptor autoradiography (Suzdak et al., 1994, Brain Research, 647(2), 231- 41), as would be expected due to the high affinity of lipophilic nipecotic acid based 30 GABA uptake inhibitors for the GAT-1 transporter (Clarke et al., 1992, Neuron 9, 337- 348). While in situ hybridization has revealed the presence of GAT-4 mRNA in the CNS, there has been no direct demonstration of a discretely localized neuronal GABA uptake carrier, which is not sensitive to lipophilic nipecotic acid based GABA uptake inhibitors.
- GABA uptake results in enhanced availability of this inhibitory neurotransmitter in the synaptic cleft and thus to increased GABA'ergic activity.
- Increased GABA'ergic activity can be useful in the treatment, for example of anxiety, pain and epilepsy, as well as muscular and movement disorders (see, for example, P. Krogsgaard-Larsen et al., Progress in Medicinal Chemistry, 1985, 22, 68-112).
- a well-known and potent inhibitor of GABA uptake from the synaptic cleft into presynaptic nerve terminals and glial cells is, for example, 3-piperidinecarboxylic acid (nipecotic acid).
- 3-piperidinecarboxylic acid itself has found no practical utility as a drug.
- N-(4,4-diphenyl- 3-buten-l-yl)nipecotic acid designated SK&F 89976A
- N-(4,4-di ⁇ henyl-3-buten-l- yl)guvacine designated SK&F 100330A
- N-(4,4-diphenyl-3-buten-l-yl)-homo- ⁇ -proline designated SK&F 100561
- N-(4-phenyl-4-(2-thienyl)-3-buten-l-yl)nipecotic acid designated SK&F 100604 J
- Krogsgaard-Larsen P. et al., Epilepsy Res. 1987, 1, 77-93.
- the present invention is directed to identifying novel compounds with affmity for the neuronal subtype of the GABA uptake carrier whose pharmacology resembles that of GAT-4.
- the present invention relates to novel substituted ⁇ -carboline derivatives of formula I
- R 15 independently are hydrogen, . e -alkyl, C 2 . 6 -alkenyl or C 2 . 6 -alkynyl, and wherein n and m independently are 0, 1, 2, 3 or 4; and
- R 3 is C ⁇ . 5 -alkylene optionally substituted with one or two C 1-6 -alkyl or C 3 . 7 -cycloalkyl, C 2 . 5 -alkenylene or C 2 . 5 -alkynylene or R 3 is -(CH 2 ) m -A-(CH 2 ) n -, -(CH 2 ) m -C-(CH 2 ) n - or -(CH 2 ) m -CH-CH-(CH 2 ) n -
- A is C 3 . 7 -cycloalkylene and B is C ⁇ -alkylene and C is .s-alkylene and m and n independently are 0, 1 or 2; and R 4 is hydrogen or C 1-6 -alkyl; and
- R 5 and R 6 independently are hydrogen, halogen, hydroxy, nitro, -NR 16 R 17 , -COOR 18 , C,. 6 -alkyl, C,,. 6 -alkoxy, trifluoromethyl or trifluoromethoxy wherein R 16 , R 17 and R 18 independently are hydrogen, C,. 6 -alkyl, C 2 . ⁇ *-alkenyl or C 2 . 6 -alkynyl; and
- X is -NH-, oxygen or sulphur
- R 7 is hydrogen, C,. 6 -alkyl, C 2 . 6 -alkenyl, C 2 . 6 -alkynyl, phenyl, C 3 . 7 -cycloalkyl, -OR 8 or -
- R 8 is hydrogen or C 1-6 -alkyl; or a pharmaceutically acceptable salt thereof.
- the compounds of formula I may exist as geometric and optical isomers and all isomers and mixtures thereof are included herein. Isomers may be separated by means of standard methods such as chromatographic techniques or fractional crystallization of suitable salts.
- the compounds according to the invention may optionally exist as pharmaceutically acceptable acid addition salts.
- salts include inorganic and organic acid addition salts such as hydrochloride, hydrobromide, sulphate, phosphate, acetate, phthalate, fumarate, maleate, citrate, lactate, tartrate, oxalate, or similar pharmaceutically acceptable inorganic or organic acid addition salts, and include the pharmaceutically acceptable salts listed in Journal of Pharmaceutical Science, 66, 2 (1977) which are hereby incorporated by refe- rence.
- Alkyl, alkenyl and alkynyl are intended to mean straight or branched alkyl, alkenyl or alkynyl chains.
- the compounds of formula I have a greater lipophilicity - and thus a greater availability to the brain - as well as a far higher affinity to the GABA uptake sites than the parent compounds without the ⁇ -carboline moiety.
- novel compounds of formula I which inhibit the uptake of GABA from the synaptic cleft possess useful pharmacological properties in the central nervous system, in that they cause a selective enhancement of GABA'ergic activity.
- Compounds of formula I may be used to treat for example, pain, anxiety, extrapyrimi- dinal dyskinesia, epilepsy and certain muscular and movement disorders. They are also useful as sedatives, hypnotics and antidepressants.
- the invention also relates to a method of preparing the above mentioned compounds of formula I. These methods comprise:
- a compound of formula II wherein R 1 , R 2 , R 3 and Z are as defined above and X is a suitable leaving group such as halogen, p-toluene sulphonate or mesylate may be reacted with an azaheterocyclic compound of formula III wherein R 4 , R 5 and R 6 are as defined above.
- This alkylation reaction may be carried out in a suitable solvent such as acetone, dibutylether, 2-butanone, tetrahydrofuran, methylisobutyl ketone, methylisopropyl ketone, toluene, benzene or DMF in the presence of a base e.g. potassium carbonate, sodiumhydride or potassium tert.-butoxide at a temperature up to reflux for the solvent used for e.g. 1 to 200 h.
- a base e.g. potassium carbonate, sodiumhydride or potassium tert.-butoxide at a temperature up to reflux for
- a compound of formula IV wherein R 1 , R 2 and Z are as defined above may be reacted with an azaheterocyclic compound of formula V wherein R 3 , R 4 , R 5 , R 6 and X are as defined above.
- This alkylation may be carried out in a suitable solvent as defined above in the presence of a base as defined above and a catalyst e.g. an alkali metal iodide at a temperature up to reflux for the solvent used for e.g. 1 to 200 h.
- An azaheterocyclic ketone of formula VI wherein R 1 , R 2 , R 3 , R 4 and Z are defined as above may be reacted with a Grignard reagent of formula VII wherein R 5 and R 6 are as defined above and Y is chloro, bromo or iodo.
- This reaction may be carried out in a suitable solvent such as diethylether, THF, toluene or benzene at a suitable temperature up to reflux temperature for the solvent used for e.g. 1 to 5 h.
- 3 H-GABA uptake was measured by a modification of the method of Fjalland et al. , (1978).
- a crude membrane preparation was prepared from selected brain areas by homogenization in 20 ml of ice-cold 0.32 M sucrose with a hand driven teflon/glass Potter-El vehj em homogenizer. The homogenate was centrifuged at 4°C for 10 min. at 1.000 x g, and the pellet was discarded. The supernatant was recentrifuged at 4°C for 20 min. at 20.000 x g. The pellet was then homogenized in 50 volumes 0.32 M sucrose.
- Non-GABA uptake carrier mediated uptake of 3 H-GABA.
- dosages suitable for oral administration comprise from about 0.5 mg to about 1000 mg, preferably from about 1 mg to about 500 mg of the compounds of formula I admixed with a pharmaceutical carrier or diluent.
- the compounds of formula I may be administered in pharmaceutically acceptable acid addition salt form or where possible as a metal or a lower alkylammonium salt.
- compositions comprising a compound of 5 formula I or a pharmaceutically acceptable salt thereof and, usually, such compositions also contains a pharmaceutical carrier or diluent.
- compositions containing the compounds of this invention may be prepared by conventional techniques and appear in conventional forms, for example capsules, tablets, solutions or suspensions.
- the pharmaceutical carrier employed may be a conventional solid or liquid carrier.
- solid carriers are lactose, terra alba, sucrose, talc, gelatin, agar, pectin, acacia, magnesium stearate and stearic acid.
- liquid carriers are syrup, peanut oil, olive oil and water.
- the carrier or diluent may include any time delay material known to the art, such as glyceryl monostearate or glyceryl distearate, alone or mixed with a wax.
- the preparation can be tabletted, placed in a hard gelatin capsule in powder or pellet form or it can be in the form of a troche or 0 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 gelatin capsule or sterile injectable liquid such as an aqueous or non-aqueous liquid suspension or solution.
- the compounds of this invention are dispended in unit dosage form comprising 50-200 mg of active ingredient in or together with a pharmaceutically acceptable carrier per unit dosage.
- the dosage of the compounds according to this invention is 1-500 mg/day, e.g. about 100 mg per dose, when administered to patients, e.g. humans, as a drug.
- a typical tablet which may be prepared by conventional tabletting techniques contains:
- Active compound (as free compound 100 mg or salt thereof) Colloidal silicon dioxide (Aerosil.TM) 1.5 mg
- the route of administration may be any route, which effectively transports the active compound to the appropriate or desired site of action, such as oral or parenteral e.g. rectal, transdermal, subcutaneous, intravenous, intraurethral, intramuscular, topical, intranasal, ophthalmic solution or an ointment, the oral route being preferred.
- oral or parenteral e.g. rectal, transdermal, subcutaneous, intravenous, intraurethral, intramuscular, topical, intranasal, ophthalmic solution or an ointment, the oral route being preferred.
- DMF is N,N-dimethylformamide
- TEA is triethylamine
- TLC thin layer chromatography
- THF is tetrahydrofuran
- CDC1 3 is deuterio chloroform
- DMSO-d 6 is hexadeuterio dimethylsulfoxide.
- the structures of the compounds are confirmed by either elemental analysis or NMR, where peaks assigned to characteristic protons in the title compounds are presented where appropriate. NMR shifts ( ⁇ ) are given in parts per million (ppm). M.p. is melting point and is given in °C. Column chromatography was carried out using the technique described by W.C. Still et al, J. Org. Chem. 1978, 43, 2923-2925 on Merck silica gel 60 (Art. 9385). Compounds used as starting materials are either known compounds or compounds which can readily be prepared by methods known per se.
- the compound was synthesized by mixing (Compound 5) (1.0 g, 3.6 mmol), NaH (0.22 g, 4.3 mmol) and l-bromo-3-chloropropane (0.68 g, 4.3 mmol)in DMF, in the same manner as illustrated in example 3, to give the tide compound (0.76 g, 63%) as a white solid. M.p. 165-169°C.
- the compound was synthesized by mixing (Compound 6) (0.76 g, 2.2 mmol), 4- phenylpiperidin-4-ol (0.48 g, 2.7 mmol), TEA (0.55 g, 5.4 mmol) in DMF, in the same manner as illusterated in example 3.
- the compound was isolated as the hydrochloride (0.15 g, 12%) as an yellow solid. M.p. 184-185°C.
- the compound was synthesized by mixing 9H- ⁇ -carboline-3-carbocylic acid ethylester (2.0 g, 8.0 mmol), N-hydroxyphenylimidamide (1.30 g, 9.6 mmol), Na (0.91 g, 40 mmol) in ethanol (50 mL) and toluene (100 mL), in the same manner as illustrated in example 5 to give the title compound (0.66 g, 25%). M.p. 279-283°C.
- the compound was synthesized by mixing (Compound 13) (0.25 g, 0.64 mmol), 4- phenylpiperidin-4-ol (0.136 g, 0.77 mmol) and TEA (0.19 g, 1.9 mmol) in DMF, in the same manner as illustrated in example 4 to give the title compound (0.09 g, 21 %). M.p. 186-189°C.
- the compound was synthesized by mixing Na (2.6 g, 114 mmol) dissolved in ethanol (200 mL), (Compound 17) (13.2 g, 38 mmol), N-hydroxypropylimidamide (5.1 g, 57 mmol) in toluene, in the same manner as illustrated in example 5 to give the title compound (4.4 g, 32%). M.p. 151-156°C.
- the compound was synthesized by mixing (Compound 18) (1 g, 2.8 mmol), NaH (50 % in oil) (0.075 g, 3.1 mmol) and l-bromo-3-chloropropane (0.44 g, 3.1 mmol) in DMF in the same manner as illustrated in example 3 to give the title compound (0.35 g, 28%).
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69623610T DE69623610T2 (en) | 1995-05-05 | 1996-05-01 | NEW HETEROCYCLIC CHEMISTRY |
EP96913474A EP0823909B1 (en) | 1995-05-05 | 1996-05-01 | Novel heterocyclic chemistry |
AU56442/96A AU5644296A (en) | 1995-05-05 | 1996-05-01 | Novel heterocyclic chemistry |
US08/945,046 US5834482A (en) | 1995-05-05 | 1996-05-01 | Heterocyclic chemistry |
JP8532941A JPH11505217A (en) | 1995-05-05 | 1996-05-01 | New heterocyclic chemistry |
DK96913474T DK0823909T3 (en) | 1995-05-05 | 1996-05-01 | New Heterocyclic Compounds |
AT96913474T ATE223915T1 (en) | 1995-05-05 | 1996-05-01 | NEW HETEROCYCLIC CHEMISTRY |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK0520/95 | 1995-05-05 | ||
DK52095 | 1995-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996034865A1 true WO1996034865A1 (en) | 1996-11-07 |
Family
ID=8094479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK1996/000198 WO1996034865A1 (en) | 1995-05-05 | 1996-05-01 | Novel heterocyclic chemistry |
Country Status (10)
Country | Link |
---|---|
US (1) | US5834482A (en) |
EP (1) | EP0823909B1 (en) |
JP (1) | JPH11505217A (en) |
AT (1) | ATE223915T1 (en) |
AU (1) | AU5644296A (en) |
DE (1) | DE69623610T2 (en) |
DK (1) | DK0823909T3 (en) |
ES (1) | ES2182975T3 (en) |
PT (1) | PT823909E (en) |
WO (1) | WO1996034865A1 (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001032176A1 (en) * | 1999-11-01 | 2001-05-10 | British Technology Group Inter-Corporate Licensing Limited | Beta-carboline derivatives for use as analgesics |
WO2011038162A1 (en) * | 2009-09-23 | 2011-03-31 | Medivation Technologies, Inc. | Pyrido(3,4-b)indoles and methods of use |
WO2011038163A1 (en) * | 2009-09-23 | 2011-03-31 | Medivation Technologies, Inc. | Pyrido[3,4-b]indoles and methods of use |
WO2011070299A1 (en) * | 2009-12-10 | 2011-06-16 | Sanofi-Aventis | Tri-substituted 9h-beta-carboline (or 9h-pyrido[3,4-b]indole) derivatives, preparation of same and therapeutic use thereof |
WO2011070298A1 (en) * | 2009-12-10 | 2011-06-16 | Sanofi-Aventis | Di-substituted 9h-pyrido[3,4-b]indole derivatives, preparation of same and therapeutic use thereof |
US9260429B2 (en) | 2008-03-24 | 2016-02-16 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
US9527854B2 (en) | 2011-02-18 | 2016-12-27 | Medivation Technologies, Inc. | Compounds and methods for treatment of hypertension |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6071932A (en) * | 1995-05-05 | 2000-06-06 | British Technology Group Intercorporate Licensing Limited | Carbazolypiperines as GABA uptake inhibitors |
US7101878B1 (en) | 1998-08-20 | 2006-09-05 | Agouron Pharmaceuticals, Inc. | Non-peptide GNRH agents, methods and intermediates for their preparation |
EP1137413B1 (en) * | 1998-12-10 | 2005-02-02 | Agouron Pharmaceuticals, Inc. | Non-peptide antagonists of glp-1 receptor and methods of use |
US20040010033A1 (en) * | 2001-02-20 | 2004-01-15 | Pfizer Inc. | Non-peptide GnRH agents, methods and intermediates for their preparation |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539407A (en) * | 1983-12-13 | 1985-09-03 | American Home Products Corporation | β-Carboline anticonvulsants |
-
1996
- 1996-05-01 WO PCT/DK1996/000198 patent/WO1996034865A1/en active IP Right Grant
- 1996-05-01 AT AT96913474T patent/ATE223915T1/en not_active IP Right Cessation
- 1996-05-01 DK DK96913474T patent/DK0823909T3/en active
- 1996-05-01 AU AU56442/96A patent/AU5644296A/en not_active Abandoned
- 1996-05-01 JP JP8532941A patent/JPH11505217A/en not_active Ceased
- 1996-05-01 EP EP96913474A patent/EP0823909B1/en not_active Expired - Lifetime
- 1996-05-01 PT PT96913474T patent/PT823909E/en unknown
- 1996-05-01 DE DE69623610T patent/DE69623610T2/en not_active Expired - Fee Related
- 1996-05-01 ES ES96913474T patent/ES2182975T3/en not_active Expired - Lifetime
- 1996-05-01 US US08/945,046 patent/US5834482A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4539407A (en) * | 1983-12-13 | 1985-09-03 | American Home Products Corporation | β-Carboline anticonvulsants |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001032176A1 (en) * | 1999-11-01 | 2001-05-10 | British Technology Group Inter-Corporate Licensing Limited | Beta-carboline derivatives for use as analgesics |
US9469641B2 (en) | 2008-03-24 | 2016-10-18 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
US9260429B2 (en) | 2008-03-24 | 2016-02-16 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
CN102724875A (en) * | 2009-09-23 | 2012-10-10 | 梅迪维新技术公司 | Pyrido[3,4-b]indoles and methods of use |
US9079904B2 (en) | 2009-09-23 | 2015-07-14 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
WO2011038162A1 (en) * | 2009-09-23 | 2011-03-31 | Medivation Technologies, Inc. | Pyrido(3,4-b)indoles and methods of use |
US9271971B2 (en) | 2009-09-23 | 2016-03-01 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
CN102711467A (en) * | 2009-09-23 | 2012-10-03 | 梅迪维新技术公司 | Pyrido(3,4-b)indoles and methods of use |
WO2011038163A1 (en) * | 2009-09-23 | 2011-03-31 | Medivation Technologies, Inc. | Pyrido[3,4-b]indoles and methods of use |
CN102724875B (en) * | 2009-09-23 | 2015-05-27 | 梅迪维新技术公司 | Pyrido[3,4-b]indoles and methods of use |
US9085580B2 (en) | 2009-09-23 | 2015-07-21 | Medivation Technologies, Inc. | Pyrido[3,4-B]indoles and methods of use |
WO2011070298A1 (en) * | 2009-12-10 | 2011-06-16 | Sanofi-Aventis | Di-substituted 9h-pyrido[3,4-b]indole derivatives, preparation of same and therapeutic use thereof |
WO2011070299A1 (en) * | 2009-12-10 | 2011-06-16 | Sanofi-Aventis | Tri-substituted 9h-beta-carboline (or 9h-pyrido[3,4-b]indole) derivatives, preparation of same and therapeutic use thereof |
FR2953837A1 (en) * | 2009-12-10 | 2011-06-17 | Sanofi Aventis | DISUBSTITUTED 9H-PYRIDINO [3,4-B] INDOLE DERIVATIVES, THEIR PREPARATION AND THEIR THERAPEUTIC USE |
FR2953838A1 (en) * | 2009-12-10 | 2011-06-17 | Sanofi Aventis | TRISUBSTITUTED 9H-BETA-CARBOLINE (OR 9H-PYRIDINO [3,4-B] INDOLE) DERIVATIVES, THEIR PREPARATION AND THEIR THERAPEUTIC USE |
US9527854B2 (en) | 2011-02-18 | 2016-12-27 | Medivation Technologies, Inc. | Compounds and methods for treatment of hypertension |
US9550782B2 (en) | 2011-02-18 | 2017-01-24 | Medivation Technologies, Inc. | Compounds and methods for treating diabetes |
Also Published As
Publication number | Publication date |
---|---|
AU5644296A (en) | 1996-11-21 |
EP0823909A1 (en) | 1998-02-18 |
EP0823909B1 (en) | 2002-09-11 |
US5834482A (en) | 1998-11-10 |
ATE223915T1 (en) | 2002-09-15 |
ES2182975T3 (en) | 2003-03-16 |
PT823909E (en) | 2002-12-31 |
DE69623610D1 (en) | 2002-10-17 |
JPH11505217A (en) | 1999-05-18 |
DE69623610T2 (en) | 2003-02-20 |
DK0823909T3 (en) | 2003-01-20 |
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