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2005•Journal of Central China Normal UniversityRequires access

Catalytic synthesis of n-butyraldehyde 1,2-propanediol acetal over H_4SiW_(12)O_(40)-PAn

Yang Shui-jin

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Abstract

A new environmental friendly catalyst, H_4SiW_(12)O_(40)-PAn was prepared and used for n-butyraldehyde 1,2-propanediol acetal synthesis from n-butyraldehyde and 1,2-propanediol. The influence factors of the synthesis were discussed and the best reaction conditions were found that the molar ratio of n-butyraldehyde to 1,2-propanediol is 1∶1.5, the amount of catalyst used is 1.2% of feed stocks, and the reaction time is (1.0 h). H_4SiW_(12)O_(40)-PAn is an excellent catalyst for synthesizing n-butyraldehyde 1,2-propanediol acetal and the yield can reach over 95.2%.

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What this paper is about

A new environmental friendly catalyst, H_4SiW_(12)O_(40)-PAn was prepared and used for n-butyraldehyde 1,2-propanediol acetal synthesis from n-butyraldehyde and 1,2-propanediol. The influence factors of the synthesis were discussed and the best reaction conditions were found that the molar ratio of n-butyraldehyde to 1,2-propanediol is 1∶1.5, the amount of catalyst used is 1.2% of feed stocks, and the reaction time is (1.0 h). H_4SiW_(12)O_(40)-PAn is an excellent catalyst for synthesizing n-butyraldehyde 1,2-propanediol acetal and the yield can reach over 95.2%.

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Available abstract

A new environmental friendly catalyst, H_4SiW_(12)O_(40)-PAn was prepared and used for n-butyraldehyde 1,2-propanediol acetal synthesis from n-butyraldehyde and 1,2-propanediol. The influence factors of the synthesis were discussed and the best reaction conditions were found that the molar ratio of n-butyraldehyde to 1,2-propanediol is 1∶1.5, the amount of catalyst used is 1.2% of feed stocks, and the reaction time is (1.0 h). H_4SiW_(12)O_(40)-PAn is an excellent catalyst for synthesizing n-butyraldehyde 1,2-propanediol acetal and the yield can reach over 95.2%.

Key concepts: Butyraldehyde, Acetal, Propanediol, Catalysis, Chemistry, Molar ratio, Yield (engineering), 1,3-Propanediol

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Catalytic synthesis of n-butyraldehyde 1,2-propanediol acetal over H_4SiW_(12)O_(40)-PAn — Research Paper | ScholarLens