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

Reference:

Coleman, K. S., Turberville, S., Pascu, S. I. and Green, M. L. H., 2004. Synthesis of a new zwitterionic cyclopentadienyl-imidazolium compound and isolation of the 3,3 '-(trans-3,5-cyclopentenyl)-di(1-tert-butylimidazolium)bromide intermediate. Tetrahedron Letters, 45 (47), pp. 8695-8698.

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Official URL:

http://dx.doi.org/10.1016/j.tetlet.2004.09.137

Abstract

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.

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