2006•Applied Chemical IndustryRequires access
Synthesis of butyl p-hydroxy benzoate under microwave irradiation
Tang Yue-rong
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Abstract
Butyl p-hydroxy benzoate was synthesized by the reaction of p-hydroxy benzoic acid with butyl alcohol in the presence of p-methyl benzene sulfonic acid under microwave irradiation,and the influencing factors of reaction were investigated.The optimum conditions were determined as follows:the mole ratio of p-hydroxy benzoic acid to butanol was 1∶2,microwave irradiation power was 500 W and the reaction time was 30 min,the yield of butyl p-hydroxy benzoate was 97%.