Imidazol-2-ylidene-4-olate: an anionic N-heterocyclic carbene pre-programmed for further derivatization

Laure Benhamou; Vincent César; Heinz Gornitzka; Noël Lugan; Guy Lavigne

doi:10.1039/B907908D

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Chemical Communications

Issue 31, 2009

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Imidazol-2-ylidene-4-olate: an anionic N-heterocyclic carbene pre-programmed for further derivatization

Laure Benhamou , Vincent César , Heinz Gornitzka , Noël Lugan and Guy Lavigne

Chem. Commun., 2009, 4720-4722

DOI: 10.1039/B907908D
Received 21 Apr 2009, Accepted 11 Jun 2009
First published on the web 25 Jun 2009

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Abstract
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The 4-hydroxyimidazolium salt, readily prepared in two steps by acylation of a formamidine and quaternization of the second nitrogen, affords, after deprotonation, the anionic imidazol-2-ylidene-4-olate, which can be complexed to a transition metal and still be subsequently functionalized at O or C backbone atom in the outer coordination sphere of the metal.

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Experimental details for the preparation of the reportedcompounds
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Articles By

Laure Benhamou
Vincent César
Heinz Gornitzka
Noël Lugan
Guy Lavigne

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Chemical Communications

Imidazol-2-ylidene-4-olate: an anionic N-heterocyclic carbene pre-programmed for further derivatization

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