固体超强酸催化合成丁醛1,2-丙二醇缩醛

›› 2006, Vol. 26 ›› Issue (1): 132-134.

• 研究简报 • Previous Articles

Synthesis of Butyraldehyde 1,2-Propanediol Acetal Using Solid Superacid as Catalyst

YANG Shui-jin, XIA Jia

Department of Chemistry and Environmental Engineering, Hubei Normal University, Huangshi 435002, China

Received:2004-01-28 Revised:2005-12-14 Online:2006-03-30 Published:2006-03-30

Abstract

Abstract: Butyraldehyde 1,2-propanediol acetal was synthesized from butyraldehyde and 1,2-propanediol catalyzed by solid superacid SO₄^2-/TiO₂-MoO₃. The experimental results showed that catalytic activity of the catalyst was improved through addition of MoO₃ into SO₄^2-/TiO₂. Influencing factors of the synthesis were discussed and the optimums reaction condition was found to be: molar ratio of butyraldehyde to 1,2-propanediol 1:1.5, dosage of catalyst 0.5% of feed stocks, and reaction time 45 min. SO₄^2-/TiO₂-MoO₃ is an excellent catalyst for synthesizing butyraldehyde 1,2-propanediol acetal to improve the yield up to 87.5%.

Key words: butyraldehyde 1, 2-propanediol acetal, solid superacid, acetalization

CLC Number:

YANG Shui-jin;XIA Jia . Synthesis of Butyraldehyde 1,2-Propanediol Acetal Using Solid Superacid as Catalyst[J]. , 2006, 26(1): 132-134.

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Synthesis of Butyraldehyde 1,2-Propanediol Acetal Using Solid Superacid as Catalyst

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