Pauson-Khand approach to chiral, diastereomerically pure group 4 ansa-metallocene complexes.

被引:14
作者
Grossman, RB [1 ]
机构
[1] Univ Kentucky, Dept Chem, Lexington, KY 40506 USA
关键词
transition metals; metalation; Pauson-Khand reaction; elimination reactions; polycyclic aliphatic compounds;
D O I
10.1016/S0040-4020(98)01099-0
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The C-2-symmetric bis(1,6-enynes) threo-1,10-diphenyl-5,6-divinyl-1,9-decadiyn and threo-9,1 0-divinyl-5,13-octadecadiyne undergo the intramolecular Pauson-Khand reaction regio- and stereoselectively to give C(2)symmetric bis(enones) with two bicyclo[3.3.0]octyl moieties joined at the C6 position. Experiments aimed at converting the bis(enones) into chiral, diastereopure ansa-bridged group 4 metallocene complexes are described. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:919 / 934
页数:16
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