Olefin uptake as tool for linking platinum(II) and iridium(III) in heterobinuclear complexes: Synthesis and characterization of [PtI2(Me2phen){(C5Me4CH2CH2CHCH2)Ir(Me)(CO)(Ph)}]
摘要:
The ability of [PtX2(Me(2)phen)] (Me(2)phen = 2,9-dimethyl-1,10-phenanthroline, X = Cl, Br, I) to act as olefin scavengers, easily giving stable trigonal bipyramidal five-coordinated platinum species [PtX2(Me(2)phen)(eta(2)-olefin)], has been checked toward [(C5Me4CH2CH2CH=CH2)Ir(Me)(CO)(Ph)], a cyclopentadienyl complex containing an olefinic function introduced by ring methyl activation in the pentamethylcyclopentadienyl iridium(III) complex [(C5Me5)Ir(Me)(CO)(Ph)]. The reaction of [PtI2(Me(2)phen)] with [(C5Me4CH2CH2CH=CH2)Ir(Me)(CO)(Ph)] results in the formation of the heterometallic binuclear complex [PtI2(Me(2)phen){(C5Me4CH2CH2CH=CH2)Ir(Me)(CO)(Ph)}] which is stable and has been completely characterized by elemental analysis, H-1, C-13, and Pt-195 NMR spectroscopy. (c) 2005 Elsevier B.V. All rights reserved.