2004•Unpublished venueRequires access

Synthesis of benzaldehyde 1,2-propanediol acetal catalyzed by SO_4~(2-)/TiO_2-WO_3 solid superacid

Yang Shui-jin

Abstract

Benzaldehyde 1,2-propanediol acetal was synthesized from benzaldehyde and 1,2-propanediol in the presence of SO~(2-)_4/TiO_2-WO_3. The factors influencing the synthesis were discussed and the best conditions were found out. The optimum conditions are: molar ratio of benzaldehyde to 1,2-propanediol is 1∶1.25, the quantity of catalyst is equal to 0.50% feed stock, and the reaction time is 50 min. SO~(2-)_4/TiO_2-WO_3 is an excellent catalyst for synthesizing benzaldehyde 1,2-propanediol acetal and its yield can reach over 81.7%.

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Key concepts: Benzaldehyde, Acetal, Propanediol, Catalysis, Molar ratio, Yield (engineering), Superacid, Chemistry