MPROVED PROCESS FOR PREPARING BENZENESULFONATE SALTS

摘要

TITLE IMPROVED PROCESS FOR PREPARING BENZENESULFONATE SALTS An improved process for preparing benzenesulfonate salts, such as 4-nonanoyloxybenzenesulfonic acid, sodium salt, from an appropriately substituted acid chloride or chloroformate and an hydroxybenzenesulfonic acid in which the reaction is conducted in the presence of a phase transfer catalyst selected from quaternary ammonium and quaternary phosphonium salts. CH-1583-A