Insertions of silylated carbenoids into vinylzirconocene chlorides. A convergent route to silyl-substituted allylzirconium reagents
摘要:
A convergent route to allylzirconocene reagents by insertion of silyl-substituted carbenoids LiCR(SiMe3)(Cl) into vinylzirconocene chlorides is reported. The product silylated allylzirconocenes react with aldehydes and ketones with high anti-selectivity to afford vinyl- (R=H) or allyl- (R=Me, Pr) silanes which may be converted into 4,5-trans-disubstitituted gamma-lactones and stereodefined dienes. (C) 1999 Elsevier Science Ltd. All rights reserved.
Synthesis of silylcyclopropanes by the reductive cyclization of RCCl2CH2CHClSiMe3 polyhaloalkylsilanes
作者:A. A. Kamyshova、E. Ts. Chukovskaya、A. N. Nesmeyanov
DOI:10.1007/bf01455518
日期:1988.4
KAMYSHOVA, A. A.;CHUKOVSKAYA, E. TS., IZV. AN CCCP. CEP. XIM.,(1988) N 4, 938-940
作者:KAMYSHOVA, A. A.、CHUKOVSKAYA, E. TS.
DOI:——
日期:——
Insertions of silylated carbenoids into vinylzirconocene chlorides. A convergent route to silyl-substituted allylzirconium reagents
作者:Alexander N Kasatkin、Richard J Whitby
DOI:10.1016/s0040-4039(99)01982-6
日期:1999.12
A convergent route to allylzirconocene reagents by insertion of silyl-substituted carbenoids LiCR(SiMe3)(Cl) into vinylzirconocene chlorides is reported. The product silylated allylzirconocenes react with aldehydes and ketones with high anti-selectivity to afford vinyl- (R=H) or allyl- (R=Me, Pr) silanes which may be converted into 4,5-trans-disubstitituted gamma-lactones and stereodefined dienes. (C) 1999 Elsevier Science Ltd. All rights reserved.