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1. (WO2018079553) METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID

Pub. No.:    WO/2018/079553    International Application No.:    PCT/JP2017/038371
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 25 01:59:59 CEST 2017
IPC: C07D 333/40
Applicants: ISHIHARA SANGYO KAISHA, LTD.
石原産業株式会社
Inventors: YOSHIDA Tatsunori
吉田 辰徳
Title: METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID
Abstract:
Provided is a method for producing 3-methyl-2-thiophenecarboxylic acid. The method for producing 3-methyl-2-thiophenecarboxylic acid is characterized in that 3-methylthiophene is reacted with chlorosulfonyl isocyanate and the obtained reaction product is hydrolyzed.