NOVEL SYNTHESES OF 8-MEMBERED-5-MEMBERED FUSED-RING COMPOUNDS FROM ZIRCONACYCLOPENTADIENES

被引：99

作者：

TAKAHASHI, T

KOTORA, M

KASAI, K

SUZUKI, N

NAKAJIMA, K

机构：

[1] GRAD UNIV ADV STUDIES,OKAZAKI,AICHI 444,JAPAN

[2] AICHI UNIV EDUC,DEPT CHEM,KARIYA,AICHI 448,JAPAN

来源：

ORGANOMETALLICS | 1994年 / 13卷 / 11期

关键词：

D O I：

10.1021/om00023a021

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Zirconacyclopentadienes reacted with 2 equiv of allyl chloride in the presence of either a catalytic or a stoichiometric amount of CuCl and LiCl salts (2 equiv) to give stereodefined 1,4,6,9-decatetraenes in 66-96% yields; Reaction of 1,4,6,9-decatetraenes obtained here such as 4,5,6,7-tetraethyldeca-1,4,6,9-tetraene with 1 equiv of Negishi reagent (Cp(2)ZrCl(2) + 2 n-BuLi) in THF at room temperature for 3 h and subsequent carbonylation at 0 degrees C gave eight-membered-five-membered fused-ring ketones such as 3,4,5,6-tetraethylbicyclo[6.3.0]-undeca-3,5-dien-10-one in 76% yield.

引用

页码：4183 / 4185

页数：3

共 58 条

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