JPS5412369A - Preparation of thienylacetic acid - Google Patents

Preparation of thienylacetic acid

Info

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
Application number
JP7664477A
Other languages
Japanese (ja)
Inventor
Kihachiro Kobayashi
Yuichiro Koyama
Mitsuyo Hirai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Soda Co Ltd
Original Assignee
Nippon Soda Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Soda Co Ltd filed Critical Nippon Soda Co Ltd
Priority to JP7664477A priority Critical patent/JPS5412369A/en
Publication of JPS5412369A publication Critical patent/JPS5412369A/en
Pending legal-status Critical Current

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  • 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
JP7664477A 1977-06-29 1977-06-29 Preparation of thienylacetic acid Pending JPS5412369A (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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