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以对羟基苯甲酸酯为原料 ,通过与二溴乙烷烃化、哌啶胺基化、水解得到高收率的 4 [2 (1 哌啶乙氧基 ) ]苯甲酸盐酸盐
Using p-hydroxybenzoate as the starting material, 4 [2 (1piperidinylethoxy)] benzoic acid hydrochloride was obtained by alkylation with dibromoethane and by piperidine amination and hydrolysis