KR910005232B1 - 1,4-디하이드로피리딘 카복실산의 제조방법 - Google Patents
1,4-디하이드로피리딘 카복실산의 제조방법 Download PDFInfo
- Publication number
- KR910005232B1 KR910005232B1 KR1019880004416A KR880004416A KR910005232B1 KR 910005232 B1 KR910005232 B1 KR 910005232B1 KR 1019880004416 A KR1019880004416 A KR 1019880004416A KR 880004416 A KR880004416 A KR 880004416A KR 910005232 B1 KR910005232 B1 KR 910005232B1
- Authority
- KR
- South Korea
- Prior art keywords
- dihydropyridine
- butyl
- dicarboxylic acid
- dimethyl
- nitrophenyl
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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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
- C07D211/82—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 only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
Abstract
Description
Claims (6)
- 일반식(Ⅱ)로 표시되는 화합물을 요도오메탄과 반응시켜 중간체인 일반식(Ⅲ)으로 표시되는 화합물을 제조하고 이것을 물과 저급알콜의 혼합용제하에서 알칼리 가수분해를 수행하고 묽은 산으로 산석하는 것을 특징으로 하는 일반식(Ⅰ)로 표시되는 화합물의 제조방법.일반식(Ⅰ)중 R1,R2는 서로 같거나 다른 수소, 할로겐, 트리플루오로메틸 또는 니트로기를 표시하며; R3는 수소 또는 C1∼C4의 직쇄상 또는 분지상의 저급알킬기 예를들면, 메틸, 에틸, n-프로필, 이소프로필, n-부틸, 이소부틸, 2급-부틸, 3급-부틸기를 표시한다.일반식(Ⅱ)중 R1, R2는 일반식(Ⅰ)의 정의와 동일하며; R3는 C1∼C|4의 직쇄상 또는 분지상의 저급알킬기 예를들면, 메틸, 에틸, n-프로필, 이소프로필, n-부틸, 이소부틸, 2급-부틸, 3급-부틸기를 표시하며 또는 2-메틸티오에틸기를 표시한다.일반식(Ⅲ)중 R1,R2는 일반식(Ⅰ)의 정의와 동일하며; R3는 C∼C의 직쇄상 또는 분지상의 저급알킬기 예를 들면, 메틸, 에틸, n-프로필, 이소프로필, n-부틸, 이소부틸, 2급-부틸, 3급-부틸기를 표시하며 또는 -CH2CH2S+(CH3)|2I-를 표시한다.
- 제1항중 2,6-디메틸-4-(3'-니트로페닐)-1,4-디하이드로피리딘-3,5-디카복실산 3-모노메틸에스테르의 제조방법.
- 제1항중 2,6-디메틸-4-(3'-니트로페닐)-1,4-디하이드로피리딘-3,5-디카복실산의 제조방법.
- 제1항중 2,6-디메틸-4-(2'-니트로페닐)-1,4-디하이드로피리딘-3,5-디카복실산 3-모노메틸에스테르의 제조방법.
- 제1항중 2,6-디메틸-4-(3'-니트로페닐)-1,4-디하이드로피리딘-3,5-디카복실산 3-모노이소프로필에스테르의 제조방법.
- 제1항중 2,6-디메틸-4-(2',3'-디클로로페닐)-1,4-디하이드로피리딘-3,5-디카복실산 3-모너메틸에스테르의 제조방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880004416A KR910005232B1 (ko) | 1988-04-19 | 1988-04-19 | 1,4-디하이드로피리딘 카복실산의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019880004416A KR910005232B1 (ko) | 1988-04-19 | 1988-04-19 | 1,4-디하이드로피리딘 카복실산의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890016010A KR890016010A (ko) | 1989-11-27 |
| KR910005232B1 true KR910005232B1 (ko) | 1991-07-24 |
Family
ID=19273714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880004416A Expired KR910005232B1 (ko) | 1988-04-19 | 1988-04-19 | 1,4-디하이드로피리딘 카복실산의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910005232B1 (ko) |
-
1988
- 1988-04-19 KR KR1019880004416A patent/KR910005232B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR890016010A (ko) | 1989-11-27 |
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