2012•Journal of Shangqiu Normal UniversityRequires access

Catalytic synthesis of benzaldehyde glycol acetal by H_3PW_6Mo_6O_(40)/SiO_2

Yang Shui-jin

Abstract

Benzaldehyde glycol acetal was synthesized from benzaldehyde and glycol in the presence of H3PW6Mo6O40/SiO2 as catalyst.The optimal reaction conditions were screened by orthogonal test method.The yield of benzaldehyde glycol acetal can reach 79.6% under the optimum reaction conditions that benzaldehyde is 0.2mol,molar ratio of benzaldehyde to glycol is 1.0∶1.5,the quantity of catalyst is 1.0%,the reaction time is 45min and the cyclohexane as carrying-water reagent is 12mL.

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Key concepts: Benzaldehyde, Acetal, Cyclohexane, Catalysis, Chemistry, Yield (engineering), Reagent, Polyethylene glycol