An easy, efficient, and completely stereoselective synthesis of (E)-α,β-unsaturated esters via sequential aldol-type/elimination reactions promoted by samarium diiodide or chromium dichloride

被引：28

作者：

Concellón, JM ^{[1
]}

Concellón, C ^{[1
]}

Méjica, C ^{[1
]}

机构：

[1] Univ Oviedo, Fac Quim, Dept Quim Organ & Inorgan, E-33071 Oviedo, Spain

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2005年 / 70卷 / 15期

关键词：

D O I：

10.1021/jo050655o

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

(E)-alpha,beta-Unsaturated esters can be obtained with complete stereoselectivity by reaction of different aldehydes and ethyl dibromoacetate promoted by SmI2 or CrCl2. The transformation takes place as two sequential reactions: an aldol-type reaction and a P-elimination reaction.

引用

页码：6111 / 6113

页数：3

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