1978•Journal of the Chemical Society Dalton TransactionsRequires access

Fluorophosphine complexes of ruthenium and osmium. Part 1. Syntheses and stereochemistry of dihydrido-complexes of ruthenium(II) and osmium(II)

Robert A. Head, John F. Nixon

Abstract

The preparation of dihydrido-complexes of the type [MH2L(PPh3)3] and [MH2L2(PPh3)2][L = PF3, M = Ru or Os; L = PF2(NMe2), M = Ru] and [RuH2(PF3){PF2(NMe2)}(PPh3)2] is described. Hydrogen-1, 19F, and 31P n.m.r. spectroscopy has established that all these complexes are cis-dihydrides with PPh3 ligands occupying mutually trans positions. No evidence has been found for either inter- or intra-molecular ligand-exchange processes in these systems.

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Key concepts: Osmium, Ruthenium, Chemistry, Ligand (biochemistry), Stereochemistry, Organic chemistry, Catalysis, Biochemistry