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Royal Society of Chemistry, Chemical Communications, 10(49), p. 1011-1013

DOI: 10.1039/c2cc37446c

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Metal center dependent coordination modes of a tricarbene ligand

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

The reaction of the benzene derived trisimidazolium salt [](PF(6))(3) with [PdCl(allyl)](2) gave complex [](PF(6))(3) featuring three Pd(allyl) moieties sandwiched between two tricarbene ligands, whereas the reaction of [](PF(6))(3) with [M(Cp*)(Cl)(2)](2) (M = Ir, Rh) resulted in the formation of dinuclear M(III) complexes []PF(6) (M = Ir) and []PF(6) (M = Rh) where each metal center is coordinated by an NHC donor and orthometallates the central phenyl ring. The remaining imidazolium group in []PF(6) can be metallated with [Rh(Cp*)(Cl)(2)](2) to give the trinuclear triply orthometallated complex [].