2003•Guangxi & Development of Chemical IndustryRequires access
Synthesis of Ethyl Salicylate with p-Toluene sulfonic Acid
Min Liang
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Abstract
The synthesis of ethyl salicytate with alcohol and salicylic acid as reactants and p-Toluene sulfonic acid as catalysts has been studied. The influent condition on the yield of ester, such as the molar ratio of alcohol to salicylic acid, the amount of catalyst used, the reaction time and the reaction temperature were investigated. The results showed that the optimum conditions were: weight of catalyst 12%; molar ratio of alcohol to salicylic acid 2∶1;reaction time 5 h; reaction temperature 95℃ .The yield of ethyl salicylate is about 52.6%.