IN181919B - - Google Patents
Info
- Publication number
- IN181919B IN181919B IN2135CA1996A IN181919B IN 181919 B IN181919 B IN 181919B IN 2135CA1996 A IN2135CA1996 A IN 2135CA1996A IN 181919 B IN181919 B IN 181919B
- Authority
- IN
- India
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/579,758 US5977369A (en) | 1995-12-28 | 1995-12-28 | Process to prepare dihydropyridine and derivatives thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN181919B true IN181919B (de) | 1998-11-07 |
Family
ID=24318239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2135CA1996 IN181919B (de) | 1995-12-28 | 1996-12-11 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5977369A (de) |
| EP (1) | EP1089974A4 (de) |
| IN (1) | IN181919B (de) |
| WO (1) | WO1997024326A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6555139B2 (en) | 1999-06-28 | 2003-04-29 | Wockhardt Europe Limited | Preparation of micron-size pharmaceutical particles by microfluidization |
| CA2425561C (en) * | 2003-04-14 | 2007-09-18 | Brantford Chemicals Inc. | Process to prepare 1,4-dihydropyridine intermediates and derivatives thereof |
| KR101369207B1 (ko) | 2007-04-11 | 2014-03-04 | 한국과학기술원 | (ｓ)-(-)-펠로디핀의 제조방법 |
| CN102143948B (zh) * | 2008-09-04 | 2013-07-31 | 安国药品株式会社 | (s)-(-)-非洛地平的制备方法 |
| WO2012123966A1 (en) | 2011-03-04 | 2012-09-20 | Arch Pharmalabs Limited | Process for the preparation of 4 -substituted -1, 4-dihydropyridines |
| CN104177286A (zh) * | 2014-08-11 | 2014-12-03 | 广东东阳光药业有限公司 | 一种地平类药物的制备方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2117573C3 (de) * | 1971-04-10 | 1978-07-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von unsymmetrischen l,4-Dihydropyridin-3,5dicarbonsäureestern, sowie ihre Verwendung als Arzneimittel |
| GB1591089A (en) * | 1976-12-17 | 1981-06-10 | Fujisawa Pharmaceutical Co | 1,4-dihydropyridine derivatives and process for preparation thereof |
| SE429652B (sv) * | 1978-06-30 | 1983-09-19 | Haessle Ab | 2.6-dimetyl-4-(2.3-diklorfenyl)-1.4-dihydropyridin-3.5-dikarboxylsyra-3-metylester-5-etylester |
| DE3208628A1 (de) * | 1982-03-10 | 1983-09-22 | Bayer Ag, 5090 Leverkusen | Neue verbindungen, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
| ATE20064T1 (de) * | 1982-07-22 | 1986-06-15 | Pfizer | Anti-ischaemische und antihypertensive dihydropyridin-derivate. |
| US4600778A (en) * | 1983-04-05 | 1986-07-15 | Bayer Aktiengesellschaft | Process for the preparation of 1,4-dihydropyridinedicarboxylic esters |
| DE3312283A1 (de) * | 1983-04-05 | 1984-10-18 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von unsymmetrischen 1,4-dihydropyridincarbonsaeureestern |
| WO1993006082A1 (en) * | 1991-09-13 | 1993-04-01 | Merck & Co., Inc. | Process for the preparation of 4-substituted-1,4-dihydropyridines |
| US5310917A (en) * | 1991-09-13 | 1994-05-10 | Merck & Co., Inc. | Process for the preparation of 4-substituted-1,4-dihydropydrines |
| ES2055652B1 (es) * | 1992-09-22 | 1995-03-01 | Elmuquimica Farm Sl | Procedimiento de obtencion de 2,6-dimetil-4-(2,3-diclorofenil)-1,4-dihidropiridin-3,5-dicarboxilato de 3-etil-5-metil. |
| ES2096179T3 (es) * | 1992-10-30 | 1997-03-01 | Bayer Ag | Dihidropiridinas sustituidas en la posicion 4 con un heterociclilfenilo. |
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1995
- 1995-12-28 US US08/579,758 patent/US5977369A/en not_active Expired - Fee Related
-
1996
- 1996-12-11 IN IN2135CA1996 patent/IN181919B/en unknown
- 1996-12-16 WO PCT/US1996/020383 patent/WO1997024326A1/en not_active Application Discontinuation
- 1996-12-16 EP EP96944920A patent/EP1089974A4/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP1089974A1 (de) | 2001-04-11 |
| WO1997024326A1 (en) | 1997-07-10 |
| EP1089974A4 (de) | 2001-05-30 |
| US5977369A (en) | 1999-11-02 |