Synthesis of Benzaldehyde 1, 2-Propanediol Acetal by Using Ionic Liquid [Hmim]HSO4 as Catalyst

Xue Nan Sun; Li Cui; Tong Kuan Xu; Da Zhi Wang

doi:10.4028/www.scientific.net/AMR.550-553.400

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Synthesis of Benzaldehyde 1, 2-Propanediol Acetal...

Synthesis of Benzaldehyde 1, 2-Propanediol Acetal by Using Ionic Liquid [Hmim]HSO₄ as Catalyst

Abstract:

Benzaldehyde 1, 2-propanediol acetal was synthesized from benzaldehyde and 1, 2-propanediol in the presence of ionic liquid [HMIM]HSO₄. The effect of the amount of catalyst, reaction time, reaction temperature, and the molar ratio of raw materials agent on the product yield was investigated respectively. Experimental results demonstrate that ionic liquid [HMIM]HSO₄ is a good catalyst for preparation of benzaldehyde 1, 2-propanediol acetal. Results showed the optimal reaction conditions are as follows: the mole ratio of benzaldehyde to 1, 2-propanediol is 1：1.3, the amount of catalyst is 3.0g, the reaction temperature is 343K, and the reaction time is 4h. The achieved yield of acetal is 78. 7%.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

400-403

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.400

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Online since:

July 2012

Authors:

Xue Nan Sun, Li Cui, Tong Kuan Xu, Da Zhi Wang

Keywords:

Acetalization, Benzaldehyde, Ionic Liquid [Hmim]HSO₄, Propanediol

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