DE69008653D1 - Verfahren zur Racemisierung von optisch aktiven 4-Phenylbuttersäureestern. - Google Patents
Verfahren zur Racemisierung von optisch aktiven 4-Phenylbuttersäureestern.Info
- Publication number
- DE69008653D1 DE69008653D1 DE69008653T DE69008653T DE69008653D1 DE 69008653 D1 DE69008653 D1 DE 69008653D1 DE 69008653 T DE69008653 T DE 69008653T DE 69008653 T DE69008653 T DE 69008653T DE 69008653 D1 DE69008653 D1 DE 69008653D1
- Authority
- DE
- Germany
- Prior art keywords
- acid esters
- optically active
- racemization
- alkali metal
- group
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B55/00—Racemisation; Complete or partial inversion
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/73—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
---|---|---|---|
JP26251689 | 1989-10-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69008653D1 true DE69008653D1 (de) | 1994-06-09 |
DE69008653T2 DE69008653T2 (de) | 1994-12-01 |
Family
ID=17376891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69008653T Expired - Fee Related DE69008653T2 (de) | 1989-10-06 | 1990-10-05 | Verfahren zur Racemisierung von optisch aktiven 4-Phenylbuttersäureestern. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5066826A (de) |
EP (1) | EP0421472B1 (de) |
JP (1) | JP2507163B2 (de) |
AT (1) | ATE105277T1 (de) |
DE (1) | DE69008653T2 (de) |
ES (1) | ES2056331T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202457A (en) * | 1990-04-12 | 1993-04-13 | Chisso Corporation | Optically active alkyl 3-aryl-3-hydroxypropionates and a method for producing thereof |
DE69213916T2 (de) * | 1991-12-29 | 1997-03-06 | Kuraray Co | Verfahren zur Herstellung von L-Ambrox |
JPH06116217A (ja) * | 1992-10-02 | 1994-04-26 | Kuraray Co Ltd | (±)−シス−4−アミノシクロペント−2−エンカルボン酸誘導体の光学分割法 |
US6342636B1 (en) * | 1997-11-06 | 2002-01-29 | Yamakawa Chemical Industry Co., Ltd. | Process for preparing optically active amines and optically active carboxylic acids, and intermediates for preparation |
CN101412672B (zh) * | 2008-11-18 | 2012-05-23 | 浙江大学 | R-2-羟基-4-苯基丁酸乙酯的化学合成方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3621835A1 (de) * | 1986-06-28 | 1988-01-07 | Hoechst Ag | Verfahren zur racemisierung optisch aktiver (alpha)-phenoxypropionsaeure und deren derivate |
US4837354A (en) * | 1987-02-26 | 1989-06-06 | Merrell Dow Pharmaceuticals Inc. | Process for making and isolating (R)-2-hydroxy-4-phenylbutyric acid and esters |
EP0325971A3 (de) * | 1988-01-26 | 1990-07-25 | F. Hoffmann-La Roche Ag | Verfahren zur Herstellung optisch reiner Hydroxyarylalkansäuren und -ester |
US4904822A (en) * | 1988-02-19 | 1990-02-27 | Kuraray Co., Ltd. | Process for the optical resolution of (+)-2-hydroxy-4-phenylbutanoic acid |
JPH0216954A (ja) * | 1988-07-05 | 1990-01-19 | Muronoki Shokuhin Kk | 魚卵を主成分とするシート食品及びその製造方法 |
JPH0247100A (ja) * | 1988-08-09 | 1990-02-16 | Murata Kinpaku:Kk | 転写箔を部分的に転写する方法 |
JP2817145B2 (ja) * | 1988-09-17 | 1998-10-27 | カシオ計算機株式会社 | エンベロープ発生装置 |
-
1990
- 1990-09-25 JP JP2256027A patent/JP2507163B2/ja not_active Expired - Fee Related
- 1990-09-26 US US07/588,545 patent/US5066826A/en not_active Expired - Lifetime
- 1990-10-05 EP EP90119178A patent/EP0421472B1/de not_active Expired - Lifetime
- 1990-10-05 DE DE69008653T patent/DE69008653T2/de not_active Expired - Fee Related
- 1990-10-05 AT AT9090119178T patent/ATE105277T1/de active
- 1990-10-05 ES ES90119178T patent/ES2056331T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2507163B2 (ja) | 1996-06-12 |
EP0421472B1 (de) | 1994-05-04 |
ES2056331T3 (es) | 1994-10-01 |
US5066826A (en) | 1991-11-19 |
DE69008653T2 (de) | 1994-12-01 |
ATE105277T1 (de) | 1994-05-15 |
EP0421472A1 (de) | 1991-04-10 |
JPH03204838A (ja) | 1991-09-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |