PURPOSE: To obtain the titled compound useful as an intermediate for a germicide, an insecticide and a developer for leuco dye under mild reaction conditions safely and inexpensively, by hydrolyzing 4-acetoxyphenyl thioacetoxyacetic acid ester.
CONSTITUTION: A compound shown by formula II readily obtainable from 4- methylthiophenol is hydrolyzed by the use of an acid such as p-toluensulfonic acid, sulfuric acid, hydrochloric acid, etc., or a base such as sodium hydroxide, potassium hydroxide, ammonia water, etc., preferably the base in a solvent such as an aromatic hydrocarbon, e.g. benzene, etc., a halogenated hydrocarbon, e.g. chloroform, etc., an alcohol, e.g. methanol, an ether, e.g. dioxane, etc., a ketone, e.g. acetone or acetonitrile, etc., preferably at 0W100°C for 1W15hr to give the aimed compound shown by formula II industrially advantageously in terms of reaction conditions, safety, etc., and simply.
YAMADA YUKIO
KATOU MOTONOBU
NODA SADAHIKO
