Cationic complexes of iridium(I) containing phosphites, phosphines, or arsines as ligands
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 17,p. 1891-1896
- https://doi.org/10.1039/dt9720001891
Abstract
A series of four- and five-co-ordinate iridium(I) salts of the type [C8H12lrL2]X, [C8H12lrL3]X, [lrL4]X, and [lrL5]X, (L = tertiary phosphite, phosphine, or arsine; X = BPh4, PF6, or ClO4) have been prepared from the reactions of [C8H12lrCl]2 with L. For L = PMe2Ph the dioxygen adduct [lr(O2)L4]BPh4 has been characterised. The corresponding dioxygen adduct [Ir(O2)(AsMe2Ph)4]BPh4 has also been prepared. The reactions of [C8H12IrCl]2 with L (L = PEt2Ph and PBun 3) have given the cis-dihydride, cis-[IrH2L4]BPh4. A new olefin hydride of iridium(III), namely [(C8H14)2IrHCl2]2, has been isolated. The reaction of this hydride with AsMe2Ph gave trans-[IrHCl(AsMe2Ph)4]PF6. The 1H n.m.r. spectra of these salts are discussed.Keywords
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