Chiral Bronsted acid catalyzed enantioselective aza-Diels-Alder reaction of Brassard's diene with imines

被引:192
作者
Itoh, Junji [1 ]
Fuchibe, Kohei [1 ]
Akiyama, Takahiko [1 ]
机构
[1] Gakushuin Univ, Fac Sci, Dept Chem, Toshima Ku, Tokyo 1718588, Japan
关键词
asymmetric synthesis; aza-Diels-Alder reaction; Bronsted acids; enantioselectivity; organocatalysis;
D O I
10.1002/anie.200601345
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Brønsted, Brassard, Diels, and Alder: Aldimines 1 undergo aza-Diels-Alder reactions with Brassard's diene 2 in the presence of a chiral cyclic phosphate pyridinium salt 4 as a chiral Brønsted acid to give α,β-unsaturated δ-lactams 3 with excellent enantioselectivity. © 2006 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:4796 / 4798
页数:3
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