STEREOSELECTIVE SYNTHESIS OF (ETA-6-ARENE)CHROMIUM COMPLEXES POSSESSING CHIRAL AMINE AND HYDROXY-GROUPS - CHIRAL LIGANDS IN ASYMMETRIC-SYNTHESIS

被引:24
|
作者
UEMURA, M [1 ]
MIYAKE, R [1 ]
SHIRO, M [1 ]
HAYASHI, Y [1 ]
机构
[1] SHIONOGI & CO LTD,SHIONOGI RES LAB,OSAKA 553,JAPAN
关键词
(ARENE)CHROMIUM COMPLEXES; ASYMMETRIC ETHYLATION; CATALYSTS;
D O I
10.1016/0040-4039(91)80041-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Stereoisomeric optically active (eta-6-di-substituted arene)chromium complexes possessing amino and hydroxyl groups at the both benzylic positions have been synthesized with high selectivity. These chiral (arene)chromium complexes catalyze an asymmetric ethylation of benzaldehyde with diethylzinc.
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页码:4569 / 4572
页数:4
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