申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0402048A1
公开(公告)日:1990-12-12
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.
一种由适当取代的酰氯或氯甲酸和羟基苯磺酸制备苯磺酸盐(如 4-壬酰氧基苯磺酸钠盐)的改进工艺,其中反应是在选自季铵盐和季鏻盐的相转移催化剂存在下进行的。