JPS5412369A - Preparation of thienylacetic acid - Google Patents
Preparation of thienylacetic acidInfo
- Publication number
- JPS5412369A JPS5412369A JP7664477A JP7664477A JPS5412369A JP S5412369 A JPS5412369 A JP S5412369A JP 7664477 A JP7664477 A JP 7664477A JP 7664477 A JP7664477 A JP 7664477A JP S5412369 A JPS5412369 A JP S5412369A
- Authority
- JP
- Japan
- Prior art keywords
- thienylacetic
- preparation
- thienylacetic acid
- acid
- waterinsoluble
- 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.)
- Pending
Links
Landscapes
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
Abstract
PURPOSE: Purified thienylacetic acid useful as a medicine intermediate is prepared with industrial advantage and in high efficiency by extracting from the hydrolyzate of thienylacetic alkyl ester under acidic condition by mineral acid with a waterinsoluble or hard soluble organic solvent, followed by washing with water.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7664477A JPS5412369A (en) | 1977-06-29 | 1977-06-29 | Preparation of thienylacetic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7664477A JPS5412369A (en) | 1977-06-29 | 1977-06-29 | Preparation of thienylacetic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5412369A true JPS5412369A (en) | 1979-01-30 |
Family
ID=13611087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7664477A Pending JPS5412369A (en) | 1977-06-29 | 1977-06-29 | Preparation of thienylacetic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5412369A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419964A (en) * | 1977-07-11 | 1979-02-15 | Seitetsu Kagaku Co Ltd | Preparation of thiophene-substituted fatty acid halode |
JPS58178774U (en) * | 1982-05-24 | 1983-11-30 | 株式会社ケンウッド | Differential pulse coding modulator |
-
1977
- 1977-06-29 JP JP7664477A patent/JPS5412369A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5419964A (en) * | 1977-07-11 | 1979-02-15 | Seitetsu Kagaku Co Ltd | Preparation of thiophene-substituted fatty acid halode |
JPS5439375B2 (en) * | 1977-07-11 | 1979-11-27 | ||
JPS58178774U (en) * | 1982-05-24 | 1983-11-30 | 株式会社ケンウッド | Differential pulse coding modulator |
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