DE3166565D1 - A process for the synthesis of gamma-unsaturated carboxylic acid esters - Google Patents
A process for the synthesis of gamma-unsaturated carboxylic acid estersInfo
- Publication number
- DE3166565D1 DE3166565D1 DE8181302259T DE3166565T DE3166565D1 DE 3166565 D1 DE3166565 D1 DE 3166565D1 DE 8181302259 T DE8181302259 T DE 8181302259T DE 3166565 T DE3166565 T DE 3166565T DE 3166565 D1 DE3166565 D1 DE 3166565D1
- Authority
- DE
- Germany
- Prior art keywords
- gamma
- synthesis
- carboxylic acid
- acid esters
- unsaturated carboxylic
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/27—Preparation of carboxylic acid esters from ortho-esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE383680 | 1980-06-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3166565D1 true DE3166565D1 (en) | 1984-11-15 |
Family
ID=3768549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181302259T Expired DE3166565D1 (en) | 1980-06-02 | 1981-05-21 | A process for the synthesis of gamma-unsaturated carboxylic acid esters |
Country Status (4)
Country | Link |
---|---|
US (1) | US4374264A (de) |
EP (1) | EP0041343B1 (de) |
JP (1) | JPS5714558A (de) |
DE (1) | DE3166565D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3609139A1 (de) * | 1986-03-19 | 1987-09-24 | Basf Ag | Verfahren zur herstellung von 4-pentensaeureestern |
WO1988001612A1 (en) * | 1986-08-27 | 1988-03-10 | Pfizer Inc. | Processes and intermediates for n-(s-3-alkyl-heptanoyl)-d-gamma-glutamyl-glycyl-d-alanine |
US5134225A (en) * | 1989-02-21 | 1992-07-28 | Pfizer Inc. | Processes and intermediates for N-(S-3-alkyl-heptanoyl)-D-gamma-glutamyl-D-alanine |
US5245079A (en) * | 1989-02-21 | 1993-09-14 | Pfizer Inc. | Processes and intermediates for N-(S-3-alkyl-heptanoyl)-D-gamma-glutamyl-glycyl-D-alanine |
CN102001941B (zh) * | 2010-12-31 | 2013-11-13 | 江苏优士化学有限公司 | 一种贲亭酸甲酯的合成方法 |
CN102001940B (zh) * | 2010-12-31 | 2013-07-24 | 江苏优士化学有限公司 | 一种贲亭酸甲酯的连续化合成方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1520443A (en) * | 1974-09-10 | 1978-08-09 | Sagami Chem Res | Process for the preparation of esters of dihalovinycyclo-propanecarboxylic acids |
US4113968A (en) * | 1974-10-03 | 1978-09-12 | Kuraray Co., Ltd. | Process for preparation of substituted cyclopropane carboxylic acids and esters thereof and intermediates of said acids and esters |
-
1981
- 1981-05-18 US US06/265,073 patent/US4374264A/en not_active Expired - Lifetime
- 1981-05-21 EP EP81302259A patent/EP0041343B1/de not_active Expired
- 1981-05-21 DE DE8181302259T patent/DE3166565D1/de not_active Expired
- 1981-06-02 JP JP8393481A patent/JPS5714558A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0041343A1 (de) | 1981-12-09 |
US4374264A (en) | 1983-02-15 |
JPS5714558A (en) | 1982-01-25 |
EP0041343B1 (de) | 1984-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |