Issue 0, 1971

Organic reactions involving transition metals. Part IV. Carboxylatodiene complexes of rhodium(I) and iridium(I)

Abstract

The complexes [(diene)MCl]2(M = Rh, diene = norbornadiene, dicyclopentadiene; M = Ir, diene = cyclo-octa-1,5-diene) react with carboxylate ions to give the carboxylate-bridged complexes [(diene)MO2CR]2. Bridgesplitting reactions with triphenylphosphine and ethylenediamine (en) yield the complexes (diene)M(Ph3P)O2CR or [(diene)Rhen]O2CR, characterised by their i.r. and n.m.r. spectra, the latter revealing rapid ligand exchange for the Ph3P-complexes at room temperature. Reaction with hydrochloric acid regenerates the chloro-complexes; oxidative-addition also occurs with the iridium complexes to give the compounds [(cod)IrHCl2]2 and (cod)Ir(PPh3)HCl2.

Article information

Article type
Paper

J. Chem. Soc. A, 1971, 3696-3698

Organic reactions involving transition metals. Part IV. Carboxylatodiene complexes of rhodium(I) and iridium(I)

R. N. Haszeldine, R. J. Lunt and R. V. Parish, J. Chem. Soc. A, 1971, 3696 DOI: 10.1039/J19710003696

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