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Catalytic synthesis of benzaldehyde glycol acetal with SO_4~(2-)/TiO_2-WO_3

Yang Xiao-shan

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Abstract

Benzaldehyde glycol acetal was synthesized from benzaldehyde and glycol 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 glycol to benzaldehyde is 1.25:1,the quantity of catalyst is equal to 0.50% of feed stocks,the reaction temperature is 86～98℃,and the reaction time is 50 min.SO~(2-)_4/TiO_2-WO_3 is an excellent catalyst for synthesizing benzaldehyde glycol acetal and its yield can reach over 77.3%.

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What this paper is about

Benzaldehyde glycol acetal was synthesized from benzaldehyde and glycol 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 glycol to benzaldehyde is 1.25:1,the quantity of catalyst is equal to 0.50% of feed stocks,the reaction temperature is 86～98℃,and the reaction time is 50 min.SO~(2-)_4/TiO_2-WO_3 is an excellent catalyst for synthesizing benzaldehyde glycol acetal and its yield can reach over 77.3%.

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Available abstract

Benzaldehyde glycol acetal was synthesized from benzaldehyde and glycol 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 glycol to benzaldehyde is 1.25:1,the quantity of catalyst is equal to 0.50% of feed stocks,the reaction temperature is 86～98℃,and the reaction time is 50 min.SO~(2-)_4/TiO_2-WO_3 is an excellent catalyst for synthesizing benzaldehyde glycol acetal and its yield can reach over 77.3%.

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

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