SI8510847A8 - Process for preparation of 2-(n-benzyl-n-methylamino)-ethyl methyl 2,6-dimethyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate and its hydrochloride salts - Google Patents
Process for preparation of 2-(n-benzyl-n-methylamino)-ethyl methyl 2,6-dimethyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate and its hydrochloride salts Download PDFInfo
- Publication number
- SI8510847A8 SI8510847A8 SI8510847A SI8510847A SI8510847A8 SI 8510847 A8 SI8510847 A8 SI 8510847A8 SI 8510847 A SI8510847 A SI 8510847A SI 8510847 A SI8510847 A SI 8510847A SI 8510847 A8 SI8510847 A8 SI 8510847A8
- Authority
- SI
- Slovenia
- Prior art keywords
- dimethyl
- dihydropyridine
- nitrophenyl
- benzyl
- dicarboxylate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000002360 preparation method Methods 0.000 title claims description 6
- 150000003840 hydrochlorides Chemical class 0.000 title claims 2
- ZBBHBTPTTSWHBA-UHFFFAOYSA-N Nicardipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN(C)CC=2C=CC=CC=2)C1C1=CC=CC([N+]([O-])=O)=C1 ZBBHBTPTTSWHBA-UHFFFAOYSA-N 0.000 title description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 18
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 12
- 239000011541 reaction mixture Substances 0.000 claims description 11
- 239000003960 organic solvent Substances 0.000 claims description 10
- -1 (N-benzyl-N-methylamino) ethyl methyl 2,6-dimethyl-4- (m-nitrophenyl) -1,4-dihydropyridine Chemical compound 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 8
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- WOUANPHGFPAJCA-UHFFFAOYSA-N 2-[benzyl(methyl)amino]ethanol Chemical compound OCCN(C)CC1=CC=CC=C1 WOUANPHGFPAJCA-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- QCQCHGYLTSGIGX-GHXANHINSA-N 4-[[(3ar,5ar,5br,7ar,9s,11ar,11br,13as)-5a,5b,8,8,11a-pentamethyl-3a-[(5-methylpyridine-3-carbonyl)amino]-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3h-cyclopenta[a]chrysen-9-yl]oxy]-2,2-dimethyl-4-oxobutanoic acid Chemical compound N([C@@]12CC[C@@]3(C)[C@]4(C)CC[C@H]5C(C)(C)[C@@H](OC(=O)CC(C)(C)C(O)=O)CC[C@]5(C)[C@H]4CC[C@@H]3C1=C(C(C2)=O)C(C)C)C(=O)C1=CN=CC(C)=C1 QCQCHGYLTSGIGX-GHXANHINSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000370 acceptor Substances 0.000 claims description 3
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Inorganic materials 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical group 0.000 claims description 3
- 150000007530 organic bases Chemical class 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 2
- LNQCUTNLHUQZLR-VNPYQEQNSA-N Iridin Natural products O(C)c1c(O)c2C(=O)C(c3cc(OC)c(OC)c(O)c3)=COc2cc1O[C@H]1[C@@H](O)[C@@H](O)[C@H](O)[C@H](CO)O1 LNQCUTNLHUQZLR-VNPYQEQNSA-N 0.000 claims 1
- 108010047623 iridine Proteins 0.000 claims 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 10
- 229960001783 nicardipine Drugs 0.000 description 9
- IBYHHJPAARCAIE-UHFFFAOYSA-N 1-bromo-2-chloroethane Chemical compound ClCCBr IBYHHJPAARCAIE-UHFFFAOYSA-N 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 description 8
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- JPXPPUOCSLMCHK-UHFFFAOYSA-N 5-methoxycarbonyl-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid Chemical compound COC(=O)C1=C(C)NC(C)=C(C(O)=O)C1C1=CC=CC([N+]([O-])=O)=C1 JPXPPUOCSLMCHK-UHFFFAOYSA-N 0.000 description 7
- 239000000543 intermediate Substances 0.000 description 7
- AIKVCUNQWYTVTO-UHFFFAOYSA-N nicardipine hydrochloride Chemical compound Cl.COC(=O)C1=C(C)NC(C)=C(C(=O)OCCN(C)CC=2C=CC=CC=2)C1C1=CC=CC([N+]([O-])=O)=C1 AIKVCUNQWYTVTO-UHFFFAOYSA-N 0.000 description 7
- 239000002244 precipitate Substances 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- MCTRZKAKODSRLQ-UHFFFAOYSA-N dimethyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC([N+]([O-])=O)=C1 MCTRZKAKODSRLQ-UHFFFAOYSA-N 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 229960002289 nicardipine hydrochloride Drugs 0.000 description 6
- 239000012044 organic layer Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- JNTMWPCEVGHVML-UHFFFAOYSA-N n-benzyl-2-chloro-n-methylethanamine Chemical compound ClCCN(C)CC1=CC=CC=C1 JNTMWPCEVGHVML-UHFFFAOYSA-N 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- RIWRFSMVIUAEBX-UHFFFAOYSA-N n-methyl-1-phenylmethanamine Chemical compound CNCC1=CC=CC=C1 RIWRFSMVIUAEBX-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- YNGDWRXWKFWCJY-UHFFFAOYSA-N 1,4-Dihydropyridine Chemical compound C1C=CNC=C1 YNGDWRXWKFWCJY-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- XWDVCQBTVKARPD-UHFFFAOYSA-N n,n'-bis(2-phenylethyl)ethane-1,2-diamine Chemical compound C=1C=CC=CC=1CCNCCNCCC1=CC=CC=C1 XWDVCQBTVKARPD-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- TZDPJNSHSWMCPN-UHFFFAOYSA-N 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid Chemical compound OC(=O)C1=C(C)NC(C)=C(C(O)=O)C1C1=CC=CC([N+]([O-])=O)=C1 TZDPJNSHSWMCPN-UHFFFAOYSA-N 0.000 description 2
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- HFLGCPOPFWAWDG-UHFFFAOYSA-N 5-o-(2-chloroethyl) 3-o-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OCCCl)C1C1=CC=CC([N+]([O-])=O)=C1 HFLGCPOPFWAWDG-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 125000005745 ethoxymethyl group Chemical group [H]C([H])([H])C([H])([H])OC([H])([H])* 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 150000007529 inorganic bases Chemical class 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M lithium hydroxide Inorganic materials [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- NCXUNZWLEYGQAH-UHFFFAOYSA-N 1-(dimethylamino)propan-2-ol Chemical compound CC(O)CN(C)C NCXUNZWLEYGQAH-UHFFFAOYSA-N 0.000 description 1
- 125000001340 2-chloroethyl group Chemical group [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- ZETIVVHRRQLWFW-UHFFFAOYSA-N 3-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=CC(C=O)=C1 ZETIVVHRRQLWFW-UHFFFAOYSA-N 0.000 description 1
- FGDJFQWWLNVPTI-UHFFFAOYSA-N 5-o-ethyl 3-o-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate;hydrochloride Chemical compound Cl.CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC([N+]([O-])=O)=C1 FGDJFQWWLNVPTI-UHFFFAOYSA-N 0.000 description 1
- LHNLMYCBNNURTO-UHFFFAOYSA-N C1C(=CN(CC1(C(=O)O)[N+](=O)[O-])C2=CC=CC=C2)C(=O)O Chemical compound C1C(=CN(CC1(C(=O)O)[N+](=O)[O-])C2=CC=CC=C2)C(=O)O LHNLMYCBNNURTO-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- WRQNANDWMGAFTP-UHFFFAOYSA-N Methylacetoacetic acid Chemical compound COC(=O)CC(C)=O WRQNANDWMGAFTP-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- BTVWZWFKMIUSGS-UHFFFAOYSA-N dimethylethyleneglycol Natural products CC(C)(O)CO BTVWZWFKMIUSGS-UHFFFAOYSA-N 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- JBJWASZNUJCEKT-UHFFFAOYSA-M sodium;hydroxide;hydrate Chemical compound O.[OH-].[Na+] JBJWASZNUJCEKT-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/80—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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
- C07D211/84—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings 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 hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen directly attached to ring carbon atoms
- C07D211/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/08—Vasodilators for multiple indications
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Cardiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| YU847/85A YU43409B (en) | 1985-05-21 | 1985-05-21 | Process for preparation 2-(n-benzile-n-methyl-amino)-ethyl methyl 2,6-dimethyl-4-(nitrophenyl)-1,4-dihydropiridine-3,5-dicarbooxilate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SI8510847A8 true SI8510847A8 (en) | 1996-04-30 |
Family
ID=25551689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SI8510847A SI8510847A8 (en) | 1985-05-21 | 1985-05-21 | Process for preparation of 2-(n-benzyl-n-methylamino)-ethyl methyl 2,6-dimethyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate and its hydrochloride salts |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4769465A (OSRAM) |
| EP (1) | EP0202625B1 (OSRAM) |
| JP (1) | JPS6341459A (OSRAM) |
| AT (1) | ATE55122T1 (OSRAM) |
| DD (1) | DD247217A5 (OSRAM) |
| DE (1) | DE3673064D1 (OSRAM) |
| DK (2) | DK233686A (OSRAM) |
| FI (1) | FI83641C (OSRAM) |
| PL (1) | PL146201B1 (OSRAM) |
| SI (1) | SI8510847A8 (OSRAM) |
| SU (2) | SU1419516A3 (OSRAM) |
| YU (1) | YU43409B (OSRAM) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3833893A1 (de) * | 1988-10-05 | 1990-04-12 | Bayer Ag | Verwendung von basischen nitro-phenyl-dihydropyridin-amiden als arzneimittel, neue verbindungen und verfahren zu ihrer herstellung ueber neue zwischenprodukte |
| DE4041814A1 (de) * | 1990-12-24 | 1992-07-02 | Byk Gulden Lomberg Chem Fab | Verfahren zur herstellung von dihydrophyridincarbonsaeuren |
| JP3286645B2 (ja) * | 1993-03-26 | 2002-05-27 | メルシャン株式会社 | 光学活性１，４−ジヒドロピリジン誘導体およびその製造方法 |
| US7585978B2 (en) * | 2006-11-28 | 2009-09-08 | Navinta Llc | Processes of manufacturing substituted-1,4-dihydropyridines, improved aqueous solutions thereof, and processes of manufacturing the solutions |
| ES2332168B1 (es) * | 2008-04-30 | 2010-10-27 | Consejo Superior De Investigaciones Cientificas (Csic) (75%) | Forma pseudopolimorfica de hidrocloruro de nicardipina, procedimiento para su preparacion y formulacion que la contiene. |
| CN113072483A (zh) * | 2021-03-30 | 2021-07-06 | 济南良福精合医药科技有限公司 | 盐酸尼卡地平的精制方法 |
| CN119613324A (zh) * | 2025-02-17 | 2025-03-14 | 广州市桐晖药业有限公司 | 一种盐酸尼卡地平的制备方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2218644C3 (de) * | 1972-04-18 | 1982-08-19 | Bayer Ag, 5090 Leverkusen | Basische Ester von 1,4-Dihydropyridinen, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel |
| US3974275A (en) * | 1972-04-18 | 1976-08-10 | Bayer Aktiengesellschaft | 1,4-Dihydropyridine carboxylic acid esters useful as coronary vessel dilators and anti-hypertensives |
| US3996234A (en) * | 1972-04-18 | 1976-12-07 | Bayer Aktiengesellschaft | 1,4-Dihydropyridine carboxylic acid esters |
| JPS5930704B2 (ja) * | 1973-02-20 | 1984-07-28 | 山之内製薬株式会社 | 新規１，４−ジヒドロピリジン誘導体の製法 |
| US4285955A (en) * | 1978-10-31 | 1981-08-25 | Bayer Aktiengesellschaft | 1,4-Dihydropyridinecarboxylic acids |
| DE2847237A1 (de) * | 1978-10-31 | 1980-05-14 | Bayer Ag | Verfahren zur herstellung von 1,4-dihydropyridincarbonsaeuren sowie ihre verwendung als arzneimittel |
| DE2847236A1 (de) * | 1978-10-31 | 1980-05-14 | Bayer Ag | Neue dihydropyridine mit substituierten estergruppierungen, mehrer verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
| US4483985A (en) * | 1978-10-31 | 1984-11-20 | Bayer Aktiengesellschaft | Production of 1,4-dihydropyridinecarboxylic acids |
| JPS59137461A (ja) * | 1983-01-27 | 1984-08-07 | Kyowa Hakko Kogyo Co Ltd | １，４−ジヒドロピリジン誘導体 |
| ZA848907B (en) * | 1983-11-16 | 1985-06-26 | Ciba Geigy Ag | Novel amide compounds |
| US4672068A (en) * | 1984-05-04 | 1987-06-09 | Fujirebio Kabushiki Kaisha | Antihypertensive 1,4-dihydropyridines having a conjugated ester |
| JPS6124567A (ja) * | 1984-07-13 | 1986-02-03 | Taisho Pharmaceut Co Ltd | ジヒドロピリジン誘導体 |
| JPS6124568A (ja) * | 1984-07-13 | 1986-02-03 | Taisho Pharmaceut Co Ltd | ジヒドロピリジンエステルの製造法 |
-
0
- DK DK8602336D patent/DK8602336A/da unknown
-
1985
- 1985-05-21 SI SI8510847A patent/SI8510847A8/sl unknown
- 1985-05-21 YU YU847/85A patent/YU43409B/xx unknown
-
1986
- 1986-05-14 US US06/862,938 patent/US4769465A/en not_active Expired - Fee Related
- 1986-05-16 AT AT86106700T patent/ATE55122T1/de not_active IP Right Cessation
- 1986-05-16 DE DE8686106700T patent/DE3673064D1/de not_active Expired - Lifetime
- 1986-05-16 EP EP86106700A patent/EP0202625B1/de not_active Expired - Lifetime
- 1986-05-20 DK DK233686A patent/DK233686A/da not_active Application Discontinuation
- 1986-05-20 PL PL1986259577A patent/PL146201B1/pl unknown
- 1986-05-20 FI FI862111A patent/FI83641C/fi not_active IP Right Cessation
- 1986-05-20 SU SU864027513A patent/SU1419516A3/ru active
- 1986-05-20 DD DD86290391A patent/DD247217A5/de not_active IP Right Cessation
- 1986-08-01 JP JP61180258A patent/JPS6341459A/ja active Granted
-
1987
- 1987-04-10 SU SU874202339A patent/SU1493104A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| SU1419516A3 (ru) | 1988-08-23 |
| PL146201B1 (en) | 1989-01-31 |
| DD247217A5 (de) | 1987-07-01 |
| ATE55122T1 (de) | 1990-08-15 |
| DK233686D0 (da) | 1986-05-20 |
| FI83641B (fi) | 1991-04-30 |
| JPH0521105B2 (OSRAM) | 1993-03-23 |
| EP0202625A3 (en) | 1987-07-01 |
| JPS6341459A (ja) | 1988-02-22 |
| FI862111A0 (fi) | 1986-05-20 |
| US4769465A (en) | 1988-09-06 |
| YU43409B (en) | 1989-06-30 |
| DK233686A (da) | 1986-11-22 |
| FI83641C (fi) | 1991-08-12 |
| EP0202625B1 (de) | 1990-08-01 |
| DE3673064D1 (de) | 1990-09-06 |
| FI862111A7 (fi) | 1986-11-22 |
| SU1493104A3 (ru) | 1989-07-07 |
| EP0202625A2 (de) | 1986-11-26 |
| DK8602336A (OSRAM) | 1986-11-22 |
| YU84785A (en) | 1987-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI83954C (fi) | Foerfarande foer framstaellning av terapeutiskt anvaendbara asymmetriska 1,4-dihydro-2,6-dimetylpyridin-3,5 -dikarboxylsyraestrar. | |
| EP0902016B1 (en) | A process and intermediate compounds for the preparation of amlodipine benzene sulphonate | |
| EP0902016A2 (en) | A process and intermediate compounds for the preparation of amlodipine benzene sulphonate | |
| CZ216593A3 (en) | Process for preparing amlodipinebenzenesulfonate | |
| HU178532B (en) | Process for producing 1,2,4,5-tetraalkyl-4-aryl-piperidine derivatives | |
| SI8510847A8 (en) | Process for preparation of 2-(n-benzyl-n-methylamino)-ethyl methyl 2,6-dimethyl-4-(m-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate and its hydrochloride salts | |
| HUP0100640A2 (hu) | Eljárás 1,4-dihidropiridinek előállítására | |
| FI74950B (fi) | Foerfarande foer framstaellning av terapeutiskt aktiva 2-/4-(difenylmetylen)-1-piperidinyl-aettiksyror. | |
| US20100216838A1 (en) | Fexofenadine base polymorphic forms | |
| US4500527A (en) | Antihypertensive 4[(3-alkylamino-2-hydroxypropyl)-oxyiminomethyl phenyl]-1,4-dihydropyridines | |
| SK284852B6 (sk) | Spôsob výroby pyridín-2,3-dikarboxylátových zlúčenín a ich medziprodukty | |
| US4579859A (en) | Vasodilating trinitratoalkyl esters of 2-cyano-1,4-dihydropyridines | |
| CA1176255A (en) | 1,4-dihydropyridine derivatives and processes for preparing the same | |
| JPH0515704B2 (OSRAM) | ||
| US4952702A (en) | Process for the preparation of (1,4-diaryl-pyrazol-3-yl)-acetic acids | |
| CA1221966A (en) | Hydroxyimino and alkoxyimino derivatives of 1,4- dihydropyridine, process for the preparation thereof and pharmaceutical compositions therefrom | |
| JPS6352031B2 (OSRAM) | ||
| JP2848165B2 (ja) | 非対称ジヒドロピリジン誘導体の製造法 | |
| GB2216521A (en) | Process for the preparation of 1,4-dihydro-pyridine derivatives | |
| JPS6112663A (ja) | 光学的に活性な１，４‐ジヒドロピリジン類の製造方法 | |
| JPH0234942B2 (OSRAM) | ||
| CA1044240A (en) | Process for the preparation of 2-arylamino-2-imidazoline derivatives | |
| KR910001440B1 (ko) | 2-(N-벤질-N-메틸아미노)에틸메틸 2,6-디메틸-4-(m-니트로페닐)-1,4-디히드로피리딘-3,5-디카르복실레이트 및 그의 염산염의 제조방법 | |
| JPH0234943B2 (OSRAM) | ||
| JPS5888361A (ja) | ３−アミノ−１，４−ビス（アルコキシカルボニル）マレイミド類およびその製法 |