Isolable yet highly reactive cationic organoruthenium(II) amidinates, [Ru(η6-C6R6)(η-amidinate)] +X-, showing signs of coordinative unsaturation: Isoelectronic complexes of Ru(η5-C5Me5)(η-amidinate)

Taizo Hayashida, Yoshitaka Yamaguchi, Karl Kirchner, Hideo Nagashima

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

The coordinatively unsaturated ruthenium(II) complexes [Ru(η6-C6R6)(η-amidinate)] +X- (R = H, Me, X = TFPB, PF6), being isoelectronic with Ru(η5-C5Me5)(η-amidinate), have been isolated and characterized by spectroscopy and crystallography. A weak π-coordination of the amidinate ligands in the solid state was observed by X-ray crystallography. DFT calculations also suggest that such a coordination mode contributes to the stabilization of these complexes. These complexes behave as highly reactive transition metal Lewis acids in the reactions with various two-electron donor ligands.

Original languageEnglish
Pages (from-to)954-955
Number of pages2
JournalChemistry Letters
Issue number10
DOIs
Publication statusPublished - 2001

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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