Meng Ming-yang
2008
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Journal
Fine and Specialty Chemicals
Abstract
Butyl p-hydroxy benzoate can be obtained by the esterification of p-hydroxy benzoic acid with n-butanol in ionic liquid in the presence of molybdovanadophosphoric heteropoly acid as catalyst.Several factors which affect the esterification were investigated and the optimum conditions of the reaction were determined in this article.Under the optimum conditions of our work,the yield of the butyl p-hydroxy benzoate may be up to 96% with purity of 99.5%.