Catalytic asymmetric acyl halide-aldehyde cyclocondensation reactions of substituted ketenes

被引:73
|
作者
Nelson, SG [1 ]
Zhu, C [1 ]
Shen, XQ [1 ]
机构
[1] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA
关键词
D O I
10.1021/ja0391208
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Catalytic asymmetric acyl halide-aldehyde cyclocondensation (AAC) reactions of alkyl-substituted ketenes with structurally diverse aldehydes provide cis-disubstituted β-lactones with high enantioselectivity. The AAC reactions utilize a novel Al(III)-triamine catalyst in which the metal′s dynamic coordination geometry leads to a highly selective catalyst complex. These AAC reactions represent a functional solution to highly enantioselective substituted ester enolate aldol additions. Copyright © 2004 American Chemical Society.
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页码:14 / 15
页数:2
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