The preparation and reactions of nitrato-complexes of iridium(III) containing tertiary phosphines or tertiary arsines as ligands
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1184-1190
- https://doi.org/10.1039/j19710001184
Abstract
Complexes of type IrX2(NO3)L3(X = halogen, L = PMe2Ph, PEt2Ph, AsMe2Ph) have been prepared. The nitrate ligand is readily displaced by neutral ligands, Q, to give cations of type [IrX2QL3]+(Q = CO, PMe2Ph, AsMe2Ph, pyridine, 3-methylpyridine, 4-methylpyridine or NH3). Complexes of type [IrX2(CO)L3]+, with two different configurations, were prepared. [IrCl2(CO)L3]+ reacts with NaOMe to give IrCl2(CO2Me)L3. Complexes of the types IrCl2Y (PMe2Ph)3 with Y = OH, NO2, N3 or OMe were also prepared. The methoxide complex on heating gives a quantitative yield of the hydride IrHCl2(PMe2Ph)3. Complexes of type [IrHQ2(PMe2Ph)3]2+(Q = pyridine or CO; Q2= 1,10-phenanthroline were also prepared). The configurations of the complexes were determined from their 1H (methyl) n.m.r. and i.r. spectra.Keywords
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