Copper-catalyzed enantioselective conjugate addition of diethylzinc to α,β-unsaturated carbonyl compounds using diphosphonites as chiral ligands

被引:54
作者
Reetz, MT [1 ]
Gosberg, A [1 ]
Moulin, D [1 ]
机构
[1] Max Planck Inst Kohlenforsch, D-45470 Mulheim, Germany
关键词
enones; zinc and compound; addition reactions; asymmetric synthesis;
D O I
10.1016/S0040-4039(01)02355-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
BINOL-based diphosphonites in which ferrocene functions as the achiral backbone are excellent chiral ligands in the Cu(OTf)(2)-catalyzed conjugate addition of Et2Zn to enones, enantioselectivities of up to 99% being observed. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1189 / 1191
页数:3
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