Mono-oxidation of alpha-aroyl ketene dithioacetals with hydrogen peroxide: an unexpected stereoselectivity

文献类型: 外文期刊

第一作者: Yu, CY

作者: Yu, CY;Wang, LB;Huang, ZT;Hsu, ACT

作者机构:

关键词: alpha-aroyl ketene dithioacetal;oxidation;stereoselectivity

期刊名称:ANALES DE QUIMICA ( 影响因子:0.312; )

ISSN: 1130-2283

年卷期: 1997 年 93 卷 3 期

页码:

收录情况: SCI

摘要: Mono-Oxidation of alpha-aroyl ketene dithioacetals 1 by equimolar hydrogen peroxide in acetic acid at room temperature afforded both Z- and E-configurated mono-sulfoxide derivatives 2 and 3 with Z-isomers 2 as the predominant products. Acid catalysed isomeric equilibration of 2 or 3 leads to a mixture in which the Z-isomer predominates.

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