W. Jian, Xu Xing-you, Z. Jun
2006
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Journal
Journal of Huaihai Institute of Technology
Abstract
Isobutyl p-(dimethylamino) benzoate was synthesized by the esterification of p-(dimethylamino)-benzoic acid with isobutanol using p-toluene sulfonic acid as the catalyst.The optimum reaction conditions were as follows: the molar ratio of p-(dimethylamino)-benzoic acid to isobutanol 1∶10,the reaction temperature 110 ℃,the reaction time 3 h,the mass ratio of catalyst to reactant 48%,and the yield of isobutyl p-(dimethylamino) benzoate reached 89%.The product has been characterized by elemental analysis,IR,MS and NMR.