SG30391G - 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 esters

Info

Publication number
SG30391G
SG30391G SG30391A SG30391A SG30391G SG 30391 G SG30391 G SG 30391G SG 30391 A SG30391 A SG 30391A SG 30391 A SG30391 A SG 30391A SG 30391 G SG30391 G SG 30391G
Authority
SG
Singapore
Prior art keywords
dihydropyridine
asymmetric
preparation
carboxylic acid
acid esters
Prior art date
Application number
SG30391A
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE0/213599A external-priority patent/BE900511A/en
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of SG30391G publication Critical patent/SG30391G/en

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)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SG30391A 1983-04-05 1991-04-26 Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters SG30391G (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833312283 DE3312283A1 (en) 1983-04-05 1983-04-05 METHOD FOR PRODUCING UNBALANCED 1,4-DIHYDROPYRIDINE CARBONIC ACID ESTERS
BE0/213599A BE900511A (en) 1984-09-06 1984-09-06 Asymmetrical di:hydro pyridine di:carboxylic ester(s) prodn. - from ylidene carboxylic ester and amino crotonic ester

Publications (1)

Publication Number Publication Date
SG30391G true SG30391G (en) 1991-08-23

Family

ID=36816780

Family Applications (1)

Application Number Title Priority Date Filing Date
SG30391A SG30391G (en) 1983-04-05 1991-04-26 Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters

Country Status (6)

Country Link
EP (1) EP0124743B1 (en)
JP (1) JPS59190969A (en)
AU (1) AU573252B2 (en)
DE (1) DE3312283A1 (en)
HK (1) HK38291A (en)
SG (1) SG30391G (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741540A1 (en) * 1987-12-08 1989-06-22 Bayer Ag METHOD FOR PRODUCING UNSYMMETRIC DIHYDROPYRIDINES
CN1037178C (en) * 1992-02-18 1998-01-28 山东新华制药厂 Improved preparing method for dihydrogen pyridine
IT1275939B1 (en) 1995-03-20 1997-10-24 Lusochimica Spa PROCEDURE FOR THE PREPARATION OF 4 (NITROFENIL) DIIDROPIRIDINE
US5977369A (en) * 1995-12-28 1999-11-02 Napp Technologies, Inc. Process to prepare dihydropyridine and derivatives thereof
IT1283793B1 (en) * 1996-08-23 1998-04-30 Lusochimica Spa DIHYDROPYRIDINE PREPARATION PROCESS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2210672C3 (en) * 1972-03-06 1980-03-20 Bayer Ag, 5090 Leverkusen N-substituted asymmetrical 1 ^ -dihydropyridine-S ^ -dicarboxylic acid esters, process for their preparation and their use as medicaments
DE2335466A1 (en) * 1973-07-12 1975-01-30 Bayer Ag ALCOXY ALKYL-1,4-DIHYDROPYRIDINE, THE METHOD FOR THEIR MANUFACTURING AND THEIR USE AS A MEDICINAL PRODUCT
DE2549568C3 (en) * 1975-11-05 1981-10-29 Bayer Ag, 5090 Leverkusen 2,6-Dimethyl-3-methoxycarbonyl-4- (2'-nitrophenyl) -1,4-dihydropyridine-5-carboxylic acid isobutyl ester, several processes for its preparation and pharmaceuticals containing it
DE2841667A1 (en) * 1978-09-25 1980-04-10 Bayer Ag FLUORINE 1,4-DIHYDROPYRIDINE, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE AS A MEDICINAL PRODUCT
DE3312216A1 (en) * 1983-04-05 1984-10-11 Bayer Ag, 5090 Leverkusen METHOD FOR PRODUCING SYMMETRIC 1,4-DIHYDROPYRIDINE CARBONIC ACID ESTERS

Also Published As

Publication number Publication date
DE3312283A1 (en) 1984-10-18
JPS59190969A (en) 1984-10-29
AU573252B2 (en) 1988-06-02
JPH02349B2 (en) 1990-01-08
EP0124743A2 (en) 1984-11-14
EP0124743A3 (en) 1987-05-20
HK38291A (en) 1991-05-24
AU3271084A (en) 1986-03-13
EP0124743B1 (en) 1988-11-17

Similar Documents

Publication Publication Date Title
PT79129A (en) Process for the preparation of new esters
DE3460025D1 (en) Process for the preparation of delta-formyl-valeric-acid esters
DE3460504D1 (en) Process for the preparation of 4-pentenoic-acid esters
DE3277839D1 (en) Process for the preparation of (2s)-tetrahydro-2alpha-methyl-6-oxo-4beta-amino-2h-pyran-3alpha-carboxylic acid esters
ZA823873B (en) Process for the preparation of apovincaminic acid esters
AR240554A1 (en) Process for the preparation of azulen-3-sulfonic acid derivatives
DE3561054D1 (en) Process for the preparation of 2,4-dichloro-5-fluoro-benzoic acid
DE3266439D1 (en) Process for the preparation of 1,3-disubstituted-2-oxo-4,5-imidazolinedicarboxylic acid
HK38291A (en) Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters
PT76290B (en) Process for the preparation of 1,4-dihydropyridine-3,5-dicarbo-xylic acid ester
IL66891A0 (en) Process for the preparation of vincaminic acid esters
DE3463264D1 (en) Process for the preparation of 4-nitrotoluene-2-sulfonic acid
DE3265083D1 (en) Process for the preparation of 2,2-dichlorophenylacetic acid esters
DE3466679D1 (en) Process for the preparation of alpha-haloalkyl esters
DE3460406D1 (en) Process for the preparation of esters
DE3563960D1 (en) Process for the preparation of esters of hydroxymethylene-alcoxyacetic acid
DE3475191D1 (en) Process for the preparation of asymmetric 1,4-dihydropyridine-carboxylic acid esters
ZA825511B (en) Process for the preparation of-hydroxy-phosphonic acid esters
DE3463381D1 (en) Process for the preparation of alkyl esters of cis-chrysanthemic acid, and compounds obtained
DE3476384D1 (en) Process for the preparation of 6-methyl-nicotinic-acid esters
DE3460219D1 (en) Process for the preparation of tartronic-acid esters
DE3461082D1 (en) Process for the preparation of 1-amino-4-bromo-anthraquinone-2-sulfonic acid
EP0186629A3 (en) Process for the preparation of 3,5-dialkyl-4-hydroxybenzoic acid
IL63457A0 (en) Process for the preparation of 3,5-dimethyl-4-pentenoic acid
EG16357A (en) Process for the preparation of unsymmetrical 1,4-dihydro-pyridinedicarboxylic esters