Camphordisulfonamides:: good chiral ligands for the addition of dialkylzinc to aliphatic aldehydes

被引:56
作者
Prieto, O [1 ]
Ramón, DJ [1 ]
Yus, M [1 ]
机构
[1] Univ Alicante, Fac Ciencias, Dept Quim Organ, E-03080 Alicante, Spain
关键词
D O I
10.1016/S0957-4166(00)00100-2
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The preparation of several disulfonamides derived from camphor and their use in the titanium tetra-isopropoxide-promoted enantioselective addition of dialkylzinc to aldehydes is described. The enantiomeric ratio is up to 98:2, the best results being obtained for aliphatic aldehydes. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1629 / 1644
页数:16
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