ATE105277T1 - Verfahren zur racemisierung von optisch aktiven 4-phenylbuttersaeureestern. - Google Patents
Verfahren zur racemisierung von optisch aktiven 4-phenylbuttersaeureestern.Info
- Publication number
- ATE105277T1 ATE105277T1 AT9090119178T AT90119178T ATE105277T1 AT E105277 T1 ATE105277 T1 AT E105277T1 AT 9090119178 T AT9090119178 T AT 9090119178T AT 90119178 T AT90119178 T AT 90119178T AT E105277 T1 ATE105277 T1 AT E105277T1
- Authority
- AT
- Austria
- Prior art keywords
- acid esters
- optically active
- racemization
- phenyl
- alkali metal
- Prior art date
Links
- 230000006340 racemization Effects 0.000 title abstract 2
- 239000001582 butter acid Substances 0.000 title 1
- 150000002148 esters Chemical class 0.000 title 1
- OBKXEAXTFZPCHS-UHFFFAOYSA-N 4-phenylbutyric acid Chemical class OC(=O)CCCC1=CC=CC=C1 OBKXEAXTFZPCHS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 abstract 1
- 125000004423 acyloxy group Chemical group 0.000 abstract 1
- -1 alkali metal amides Chemical class 0.000 abstract 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 abstract 1
- 150000008046 alkali metal hydrides Chemical class 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 239000002585 base Substances 0.000 abstract 1
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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26251689 | 1989-10-06 | ||
| EP90119178A EP0421472B1 (de) | 1989-10-06 | 1990-10-05 | Verfahren zur Racemisierung von optisch aktiven 4-Phenylbuttersäureestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE105277T1 true ATE105277T1 (de) | 1994-05-15 |
Family
ID=17376891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT9090119178T ATE105277T1 (de) | 1989-10-06 | 1990-10-05 | Verfahren zur racemisierung von optisch aktiven 4-phenylbuttersaeureestern. |
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 |
| US5290955A (en) * | 1991-12-29 | 1994-03-01 | Kuraray Co., Ltd. | Process for producing 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 ES ES90119178T patent/ES2056331T3/es 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
Also Published As
| Publication number | Publication date |
|---|---|
| DE69008653D1 (de) | 1994-06-09 |
| ES2056331T3 (es) | 1994-10-01 |
| JP2507163B2 (ja) | 1996-06-12 |
| JPH03204838A (ja) | 1991-09-06 |
| EP0421472A1 (de) | 1991-04-10 |
| DE69008653T2 (de) | 1994-12-01 |
| US5066826A (en) | 1991-11-19 |
| EP0421472B1 (de) | 1994-05-04 |
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