CHIRAL CO(II) AND MN(II) CATALYSTS FOR THE 1,3-DIPOLAR CYCLOADDITION REACTIONS OF AZOMETHINE YLIDES DERIVED FROM ARYLIDENE IMINES OF GLYCINE

被引:162
作者
ALLWAY, P [1 ]
GRIGG, R [1 ]
机构
[1] UNIV LEEDS,SCH CHEM,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
关键词
D O I
10.1016/S0040-4039(00)93563-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Anhydrous MnBr2 and CoCl2 in conjunction with chiral ephedrine ligands effect substantial asymmetric induction in cycloadducts derived from methyl acrylate and imines of glycine methyl ester. CoCl2 is most effective and gives 96% e.e.
引用
收藏
页码:5817 / 5820
页数:4
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