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Catalytic Synthesis of Benzaldehyde Glycol Acetal with SO_4~(2-)/TiO_2-MoO_3-La_2O_3

Yang Shui-jin

Abstract

Benzaldehyde glycol acetal was synthesized from benzaldehyde and glycol in the presence of SO42-/TiO2-MoO3-La2O3. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions are: molar ratio of benzaldehyde to glycol was 1:1.6, the quantity of catalyst was equal to 0.5% of feed stocks, and the reaction time is 40 min. SO42-/TiO2-MoO3-La2O3 was an excellent catalyst for synthesizing benzaldehyde glycol acetal and its yield can reach over 84.6%.

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Key concepts: Benzaldehyde, Acetal, Catalysis, Yield (engineering), Molar ratio, Chemistry, Organic chemistry, Nuclear chemistry