2014•Journal of Hubei Normal UniversityRequires access

Catalytic synthesis of butyraldehyde 1,2-propanediol acetal with H_6P_2W_(18)O_(62)/ SiO_2

Xiang Shi-yi

Abstract

Butyraldehyde 1,2-propanediol acetal was synthesized from butyraldehyde and 1,2-propanediol in the presence of H6P2W18O62/SiO2. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions are: molar ratio of butyraldehyde to 1,2-propanediol is 1: 1. 3,the quality of catalyst is equal to 1. 0% of feed stocks,the dried cyclohexane is 6mL,and the reaction time is 60 min. H6P2W18O62/SiO2is an excellent catalyst for synthesizing butyraldehyde 1,2-propanediol acetal and its yield can be up to 92. 3%.

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Key concepts: Butyraldehyde, Acetal, Propanediol, Catalysis, Cyclohexane, Chemistry, Molar ratio, Yield (engineering)