Asymmetric catalytic carbon-carbon bond formations in a fluorous biphasic system based on perfluoroalkyl-BINOLs

被引:49
作者
Tian, Y [1 ]
Yang, QC [1 ]
Mak, TCW [1 ]
Chan, KS [1 ]
机构
[1] Chinese Univ Hong Kong, Univ Grants Comm Area Excellence Scheme, Inst Mol Technol Drug Discovery & Synth, Open Lab Chirotechnol,Dept Chem, Shatin, Hong Kong, Peoples R China
关键词
asymmetric fluorous biphasic catalysis; perfluoroalkylbinaphthols;
D O I
10.1016/S0040-4020(02)00218-1
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Optically active 1, 1'-binaphthols (BINOLS) substituted at the 4,4'; 6,6' and 4,4',6,6' positions with perfluoroalkyl groups have been synthesized. Asymmetric diethylzinc and triethyl aluminum addition to aryl aldehydes in a fluorous biphasic system catalyzed by these perfluoroalkyl-BINOL-titanium complexes have been accomplished with good enantiomeric excess obtained. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:3951 / 3961
页数:11
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