Use of lithium hexafluoroisopropoxide as a mild base for Horner-Wadsworth-Emmons olefination of epimerizable aldehydes

被引：35
|
作者：
Blasdel, LK [1 ]
Myers, AG [1 ]
机构：
[1] Harvard Univ, Dept Chem & Biol Chem, Cambridge, MA 02138 USA
来源：
ORGANIC LETTERS | 2005年 / 7卷 / 19期
关键词：
D O I：
10.1021/ol051785m
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The weak base lithium 1,1,1,3,3,3-hexafluoroisopropoxide (LiHFI) is shown to be highly effective as a reagent for intermolecular Horner-Wadsworth-Emmons (HWE) olefination of epimerizable aldehydes with trimethyl phosphonoacetate, affording products with little or no epimerization and notably high E-selectivity.
引用
收藏
页码：4281 / 4283
页数：3
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