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Synthesis and structural characterisation of stable pyridine- and phosphine-functionalised N-heterocyclic carbenes
Andreas A Danopoulos1, Scott Winston, Thomas Gelbrich
1Department of Chemistry, University of Southampton, Highfield, Southampton, UK SO17 1BJ. ad1@soton.ac.uk
Chemical Communications (Cambridge, England)
|July 23, 2002
Abstract:
Stable, uncoordinated (1-[2-(6-trimethylsilyl)pyridyl]-3-[(2,6- diisopropyl)phenyl]imidazol-2-ylidene), I, and (1-[beta-(diphenylphosphino)ethyl]-3-[(2,6-diisopropyl)phenyl]imidazol- 2-ylidene), II, have been synthesised; in the solid state they adopt a conformation with the lone pairs in a mutually anti arrangement.