Metal complexes of tris(trimethylsilylmethyl)phosphine
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 18,p. 1966-1972
- https://doi.org/10.1039/dt9720001966
Abstract
Complexes of tris(trimethylsilylmethyl)phosphine (siphos) with ruthenium, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, zinc, cadmium, and mercury have been prepared and characterised by analysis and i.r. and n.m.r. spectroscopy. The formation of the unusual complex RuCl2(CO)2[(Me3SiCH2)2PMe]2 is described. Ethanolic sodium borohydride reacts with trans-MCl(CO)(siphos)2(M = Rh or Ir) in the presence of the phosphine to give the tetrahydroborate complexes, M(BH4)(CO)(siphos)2. With rhodium trichloride and tribromide, the dimeric [RhCl2(siphos)2]2 and the monomeric trans-RhBr2(siphos)2 are obtained respectively; the latter shows i.r. and n.m.r. spectra similar to those of the corresponding palladium and platinum complexes.Keywords
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