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1. (WO2018180944) PRODUCTION METHOD FOR HALOGENATED PYRAZOLECARBOXYLIC ACID

Pub. No.:    WO/2018/180944    International Application No.:    PCT/JP2018/011583
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Mar 24 00:59:59 CET 2018
IPC: C07D 231/14
Applicants: AGC INC.
AGC株式会社
Inventors: SHIMIZU, Shota
清水 翔太
SAWAGUCHI, Masanori
澤口 正紀
Title: PRODUCTION METHOD FOR HALOGENATED PYRAZOLECARBOXYLIC ACID
Abstract:
The present invention provides an industrially excellent production method by which a halogenated pyrazolecarboxylic acid useful as an intermediate for medicines and agricultural chemicals can be more easily and efficiently produced. The present invention relates to a method for producing a compound represented by formula (b), the method comprising reacting a compound represented by formula (a) with oxygen in the presence of a compound containing a transition metal atom to thereby obtain the compound represented by formula (b). (The symbols in the formulae are as described in the description.)