Mproved process for preparing benzenesulfonate salts

Details Mproved process for preparing benzenesulfonate salts Mproved process for preparing benzenesulfonate salts

C - Chemistry, Metallurgy

07

C

260/489, 260/472

C07C 303/22 (2006.01) C07C 303/32 (2006.01) C07C 309/42 (2006.01)

Patent

CA 2017874

TITLE IMPROVED PROCESS FOR PREPARING BENZENESULFONATE SALTS ABSTRACT OF THE INVENTION An improved process for preparing benzene- sulfonate salts, such as 4-nonanoyloxybenzenesulfonic acid, sodium salt, from an appropriately substituted acid chloride or chloroformate and an hydroxybenzene- sulfonic 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

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