Duan Xue-tao
2006
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Journal
Fine and Specialty Chemicals
Abstract
Dibenzyl phthalate is directly synthesized based on phthalic anhydride and benzalcohol as raw materials, stannic chloride as catalyst via microwave radiation technology. Through discussing the factors influencing on the yield of esterification such as microwave irradiation power, irradiation time, molar ratio of alcohol to acid, dosage of catalyst and so on, the optimal reaction conditions are obtained as follows: microwave power is 288 W, irradiation time is 2 min, the molar ratio of alcohol to acid is 7∶1, and the dosage of stannic chloride is 0.3g. The yield of esterification is up to 99%.