2007•Industrial CatalysisRequires access
Synthesis of isopropyl chloroacetate catalyzed by SO_4~(2-)/TiO_2 solid super acid
Guang’en Xing
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Abstract
Synthesis of isopropyl chloroacetate were studied using chloroacetic acid and isopropanol as the reactants and SO42-/TiO2 solid super acid prepared by nanoparticle anatase titania powder as the catalyst.The influence of reaction condition on the yield of isopropyl chloroacetate was investigated,such as catalyst loading,molar ratio of chloracetic acid to isopropanol,reaction time and repeated use of the catalyst.The results showed that the optimum condition was as follows: chloracetic acid 0.2 mol,catalyst loading 1.50 g,molar ratio of chloracetic acid to isopropanol 1∶1.5,reaction time 3 h.Isopropyl chloroacetate yield of about 96.3% was obtained under the optimum condition.