CHIRAL PHOSPHINOARYLDIHYDROOXAZOLES AS LIGANDS IN ASYMMETRIC CATALYSIS - PD-CATALYZED ALLYLIC SUBSTITUTION

被引:673
作者
VONMATT, P [1 ]
PFALTZ, A [1 ]
机构
[1] UNIV BASEL,INST ORGAN CHEM,ST JOHANNS RING 19,CH-4056 BASEL,SWITZERLAND
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1993年 / 32卷 / 04期
关键词
D O I
10.1002/anie.199305661
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Enantioselectivities up to 99% ee and excellent yields under mild reaction conditions could be realized in allylic alkylations [Eq. (a)] with palladium catalysts prepared with the chiral ligands 1. Enantiomerically pure phosphinoaryldihydrooxazoles (1) are readily accessible from commercially available chiral amino alcohols. HNu = H2C(COOMe)2, H2C(COMe)2, HC(NHAc)(COOEt)2. (Figure Presented.) Copyright © 1993 by VCH Verlagsgesellschaft mbH, Germany
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页码:566 / 568
页数:3
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