ASYMMETRIC LIGANDS FOR TRANSITION-METAL-CATALYZED REACTIONS - 2-DIPHENYLPHOSPHINOBENZOYL DERIVATIVES OF C2-SYMMETRICAL DIOLS AND DIAMINES

被引:179
作者
TROST, BM
VANVRANKEN, DL
机构
[1] Department of Chemistry, Stanford University, Stanford, California
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1992年 / 31卷 / 02期
关键词
D O I
10.1002/anie.199202281
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
For Pd-catalyzed allylic alkylations a series of novel C2-symmetric bis-(diphenylphosphino) ligands have proved to be extremely efficient. For example, the model reaction 1 --> 2 with diamide 3 as ligand proceeds in 94% yield and 88% ee. Ts = para-toluolsulfonyl, dba = dibenzylidenacetoacetonate.
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页码:228 / 230
页数:3
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