TRIMETHYLSILYL DERIVATIVES OF CYCLOOCTATETRAENE

被引：63

作者：

BURTON, NC ^{[1
]}

CLOKE, FGN ^{[1
]}

JOSEPH, SCP ^{[1
]}

KARAMALLAKIS, H ^{[1
]}

SAMEH, AA ^{[1
]}

机构：

[1] UNIV SUSSEX,SCH CHEM & MOLEC SCI,BRIGHTON BN1 9QJ,ENGLAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 462卷 / 1-2期

关键词：

D O I：

10.1016/0022-328X(93)83339-W

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An improved, large scale synthesis of 5,8-bis(trimethylsilyl)cycloocta-1,3,6-triene is described. The compound may be deprotonated with n-butyllithium/THF or n-butyllithium/TMEDA to afford stable dilithium salts of the 1,4-bis(trimethylsilyl)cyclooctatetraenyl dianion, which may be oxidised with mercuric chloride to give free bis(trimethylsilyl)cyclooctatetraene as a mixture of the 1,4- and 1,6-isomers. Treatment of the bis(trimethylsilyl)cyclooctatetraenyl dianion with an excess of chlorotrimethylsilane gives 2,5,5,8-tetrakis(trimethylsilyl)cycloocta-1,3,6-triene.

引用

页码：39 / 43

页数：5

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