Synthesis of a new zwitterionic cyclopentadienyl-imidazolium compound and isolation of the 3,3′-(trans-3,5-cyclopentenyl)-di(1-tert-butylimidazolium)bromide intermediate

被引:9
作者
Coleman, KS
Turberville, S
Pascu, SI
Green, MLH
机构
[1] Univ Durham, Dept Chem, Durham DH1 3LE, England
[2] Univ Oxford, Inorgan Chem Lab, Oxford OX1 3QR, England
基金
英国工程与自然科学研究理事会;
关键词
zwitterion; N-heterocyclic carbene; imidazolium; cyclopentadienyl;
D O I
10.1016/j.tetlet.2004.09.137
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The new zwitterionic compound 1-tert-butylimidazolium-cyclopentadienylide, shown to have a polar ground state and a non-polar fulvene-like excited state, has been synthesised and the intermediate 3,3'-(trans-3,5-cyclopentenyl)di(1-tert-butylimidazolium)bromide isolated and structurally characterised. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:8695 / 8698
页数:4
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