A STUDY OF THE SYNTHESIS AND RACEMIZATION OF A CHIRAL LITHIATED TRICARBONYL(ETA(6)-ANISOLE)CHROMIUM COMPLEX

被引:57
|
作者
PRICE, DA
SIMPKINS, NS
MACLEOD, AM
WATT, AP
机构
[1] UNIV NOTTINGHAM,DEPT CHEM,NOTTINGHAM NG7 2RD,ENGLAND
[2] MERCK SHARP & DOHME LTD,RES LABS,HARLOW CM20 2QR,ESSEX,ENGLAND
关键词
D O I
10.1016/0040-4039(94)88104-9
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The non-racemic metallated complex derived from tricarbonyl(eta(6)-anisole)chromium 1, formed using the homochiral lithium amide base 2, undergoes rapid racemisation by intermolecular proton transfer if the neutral chromium complex is present, this problem being minimised if the deprotonation is conducted in the presence of LiCl.
引用
收藏
页码:6159 / 6162
页数:4
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