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Catalytic synthesis of iso-butyl propionate over TiSiW_(12)O_(40)/TiO_2 catalyst

Luo Xu

Abstract

The isobutyl propionate was synthesized from propionic acid and isobutyl alcohol in the presence of TiSiW12O40/TiO2. The reaction conditions are tested.The results showed that TiSiW12O40/TiO2 was a excellent catalyst for synthesizing isobutyl propionate. The better conditions were as follows: molar ratio of isobutyl alcohol to propionic acid is 1.2∶1,the quantity of catalyst is 2.0% of feed stocks, the reaction time is 1.0 h in the temperature 106～125 ℃, the yield of ester can reached 79.1%

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Key concepts: Propionate, Catalysis, Alcohol, Chemistry, Molar ratio, Yield (engineering), Nuclear chemistry, Propionates