Hu Jin-gang
2008
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Journal
Journal of Nanchang Hangkong University
Abstract
Tributyl orthovalerate was synthesized using trimethyl orthovalerate and normal butanol as reactants and I2 as catalyst.With strong base NaOH and strong acid HCl as catalyst,this transesterification has fairly good catalysis effect and post-processing purification method through using I2 as catalyst.The optimum reaction condition and result are as follows: with 4% I2 of trimethyl orthovalerate,and n(trimethyl orthovalerate) /n(normal butanol) = 1:28,reacting at 68-70℃(vacuum degree:-0.09MPa)for 4 h,conversion of trimethyl orthovalerate was 87.5% and the yield of tributyl orthovalerate was 82.6%.Besides,the product purity can reach 98.3%.