Conformationally constrained bis(oxazoline) derived chiral catalyst: A highly effective enantioselective Diels-Alder reaction

被引:100
作者
Ghosh, AK
Packiarajan, M
Cappiello, J
机构
[1] Department of Chemistry, University of Illinois at Chicago, Chicago, IL 60607
关键词
D O I
10.1016/0040-4039(96)00721-6
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The reaction of cyclopentadiene with various bidentate dienophiles in the presence of 4-10 mol% of copper(II)-bis(oxazoline) complexes afforded excellent endo/exo selectivity as well as endo enantioselectivity (95-99% ee) and isolated yields. On the other hand, Diels-Alder reaction with Mg(II)-complexes afforded a modest (61% ee) reversal in enantioselectivity. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:3815 / 3818
页数:4
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