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The Generation of a Metallocene‐Fused Imidazol‐2‐ylidene and Its Mercury Complex

2005; Wiley; Volume: 44; Issue: 44 Linguagem: Inglês

10.1002/anie.200502814

1521-3773

Anthony J. Arduengo, Daniela Tapu, William Marshall,

Synthetic Organic Chemistry Methods

A zwitterionic ligand yields a trimetallic carbene complex (see structure), in which the metal centers are electronically coupled by a single ligand that employs both σ and π bonding. This imidazol-2-ylidene complex, derived from the imidazoliumcyclopentadienide zwitterion, reveals a carbene-ligand architecture that allows the incorporation of multiple metal and/or main-group element centers.