HK38291A - Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters - Google Patents
Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid estersInfo
- Publication number
- HK38291A HK38291A HK382/91A HK38291A HK38291A HK 38291 A HK38291 A HK 38291A HK 382/91 A HK382/91 A HK 382/91A HK 38291 A HK38291 A HK 38291A HK 38291 A HK38291 A HK 38291A
- Authority
- HK
- Hong Kong
- Prior art keywords
- dihydropyridine
- asymmetric
- preparation
- carboxylic acid
- acid esters
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Hydrogenated Pyridines (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833312283 DE3312283A1 (de) | 1983-04-05 | 1983-04-05 | Verfahren zur herstellung von unsymmetrischen 1,4-dihydropyridincarbonsaeureestern |
BE0/213599A BE900511A (fr) | 1984-09-06 | 1984-09-06 | Procede de preparation d'esters d'acides 1,4-dihydro-pyridine-dicarboxyliques dissymetriques. |
Publications (1)
Publication Number | Publication Date |
---|---|
HK38291A true HK38291A (en) | 1991-05-24 |
Family
ID=36816780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK382/91A HK38291A (en) | 1983-04-05 | 1991-05-16 | Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0124743B1 (zh) |
JP (1) | JPS59190969A (zh) |
AU (1) | AU573252B2 (zh) |
DE (1) | DE3312283A1 (zh) |
HK (1) | HK38291A (zh) |
SG (1) | SG30391G (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3741540A1 (de) * | 1987-12-08 | 1989-06-22 | Bayer Ag | Verfahren zur herstellung von unsymmetrischen dihydropyridinen |
CN1037178C (zh) * | 1992-02-18 | 1998-01-28 | 山东新华制药厂 | 双氢吡啶类化合物的改进制法 |
IT1275939B1 (it) | 1995-03-20 | 1997-10-24 | Lusochimica Spa | Procedimento per la preparazione di 4 (nitrofenil) diidropiridine |
US5977369A (en) * | 1995-12-28 | 1999-11-02 | Napp Technologies, Inc. | Process to prepare dihydropyridine and derivatives thereof |
IT1283793B1 (it) * | 1996-08-23 | 1998-04-30 | Lusochimica Spa | Processo per la preparazione di diidropiridine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2210672C3 (de) * | 1972-03-06 | 1980-03-20 | Bayer Ag, 5090 Leverkusen | N-substituierte unsymmetrische 1 ^-Dihydropyridin-S^-dicarbonsäureester, Verfahren zu ihrer Herstellung sowie ihre Verwendung als Arzneimittel |
DE2335466A1 (de) * | 1973-07-12 | 1975-01-30 | Bayer Ag | Alkoxyalkyl-1,4-dihydropyridine, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
DE2549568C3 (de) * | 1975-11-05 | 1981-10-29 | Bayer Ag, 5090 Leverkusen | 2,6-Dimethyl-3-methoxycarbonyl-4- (2'-nitrophenyl)-1,4-dihydropyridin-5- carbonsäureisobutylester, mehrere Verfahren zu seiner Herstellung sowie ihn enthaltende Arzneimittel |
DE2841667A1 (de) * | 1978-09-25 | 1980-04-10 | Bayer Ag | Fluorhaltige 1,4-dihydropyridine, verfahren zu ihrer herstellung sowie ihre verwendung als arzneimittel |
DE3312216A1 (de) * | 1983-04-05 | 1984-10-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von symmetrischen 1,4-dihydropyridincarbonsaeureestern |
-
1983
- 1983-04-05 DE DE19833312283 patent/DE3312283A1/de not_active Withdrawn
-
1984
- 1984-03-26 EP EP84103305A patent/EP0124743B1/de not_active Expired
- 1984-04-02 JP JP59063439A patent/JPS59190969A/ja active Granted
- 1984-09-04 AU AU32710/84A patent/AU573252B2/en not_active Expired
-
1991
- 1991-04-26 SG SG30391A patent/SG30391G/en unknown
- 1991-05-16 HK HK382/91A patent/HK38291A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0124743A3 (en) | 1987-05-20 |
AU3271084A (en) | 1986-03-13 |
JPH02349B2 (zh) | 1990-01-08 |
AU573252B2 (en) | 1988-06-02 |
EP0124743B1 (de) | 1988-11-17 |
EP0124743A2 (de) | 1984-11-14 |
JPS59190969A (ja) | 1984-10-29 |
SG30391G (en) | 1991-08-23 |
DE3312283A1 (de) | 1984-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |