Highly efficient and chemoselective method for the thioacetalization of aldehydes and transthioacetalization of acetals and acylals catalyzed by H2SO4-silica under solvent-free conditions

被引：14

作者：

Pourmousavi, Seied Ali ^{[1
]}

Kazemi, Shaghayegh Sadat ^{[1
]}

机构：

[1] Damghan Univ, Sch Chem, Damghan 36715364, Iran

来源：

MONATSHEFTE FUR CHEMIE | 2012年 / 143卷 / 06期

关键词：

Thioacetalization; Transthioacetalization; Aldehydes; Chemoselectivity; Solvent free; Acetal; Acylal; CARBONYL-COMPOUNDS; REUSABLE CATALYST; SILICA; TRIBROMIDE; REAGENT; MILD; ACID; TETRACHLORIDE; MAGNESIUM; CHLORIDE;

D O I：

10.1007/s00706-011-0664-6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Chemoselective and efficient thioacetalization of a variety of aldehydes was achieved in excellent yields at room temperature using 1,2-ethanedithiol in the presence of catalytic amounts of H2SO4-silica. Thioacetals were also prepared by transthioacetalization of acylals and acetals under similar conditions.

引用

页码：917 / 923

页数：7

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