Enantioselective conjugate addition of silylketene acetals to β-enamidomalonates.: Synthesis of β-amino acid derivatives

被引:32
作者
Sibi, MP [1 ]
Chen, JX [1 ]
机构
[1] N Dakota State Univ, Dept Chem, Fargo, ND 58105 USA
关键词
D O I
10.1021/ol026333d
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Conjugate addition of silylketene acetals or enolsilanes to enamidomalonates proceeds with excellent chemical efficiency and good selectivity using Cu(OTf)(2) and a chiral bisoxazoline. The effect of the Lewis acid, ligand, the N-acyl substituent, and the nucleophile on yield and selectivity for the addition product have been evaluated.
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页码:2933 / 2936
页数:4
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