ENANTIOSELECTIVE CATALYSIS WITH A NEW ZIRCONIUM TRICHLORIDE LEWIS ACID CONTAINING A DIBORNACYCLOPENTADIENYL LIGAND

被引:104
作者
ERKER, G
VANDERZEIJDEN, AAH
机构
[1] Institut für Organische Chemie, Universität Würzburg, D-8700, Am Hubland
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1990年 / 29卷 / 05期
关键词
D O I
10.1002/anie.199005121
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
ee Values in excess of 80% can be achieved in CC coupling reactions of 1‐naphthol with pyruvate esters using the chiral Lewis acid 1 as catalyst. Complex 1 is available from (+)‐camphor via a five‐step synthesis with an overall yield of ca. 30%. (Figure Presented.) Copyright © 1990 by VCH Verlagsgesellschaft mbH, Germany
引用
收藏
页码:512 / 514
页数:3
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