Sumitomo Chemical Company, Limited

Yuta Honda

Junichi Ishikawa

Yohei Tanaka

Yuki Sato

Hiroaki Okamoto

Kazuya Ueki

Kazuyasu Tani

The present invention provides 2-{[3-(2-chloro-4-fluorophenoxy)pyridin-2-yl]oxy}acetic acid or an alkali metal salt thereof having an excellent control effect on plant diseases.

Pyridyloxyacetic acid compound and use of same

A compound represented by formula (4): can be produced by adding a heterogeneous transition metal catalyst to a solution containing a compound represented by formula (3): obtained by performing a nitration reaction by adding a nitrating agent to a solution containing a compound represented by formula (2): obtained by oxidizing a compound represented by formula (1): with hydrogen peroxide in the presence of sodium tungstate and a saturated C8 carboxylic acid, then adding water to the resultant mixture, and separating the resultant solution.

Method for producing 4-(trifluoromethylsulfonyl)phenol compound

A compound represented by formula (3): (wherein Rrepresents a C1-C6 alkyl group optionally having one or more halogen atoms, Rrepresents a C1-C6 alkyl group, and m represents an integer of 0 to 3)can be produced by reacting a C1-C6 alkanesulfinic acid salt optionally having one or more halogen atoms with a compound represented by formula (2): (wherein Rand m are as defined above)in the presence of a protonic acid.

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Osaka, Japan

Yuta Honda