The investigation of the PtCl2(diphosphine) + SnI2 and PtI2(diphosphine) + SnCl2 systems of catalytic importance (where diphosphines are 2, 3-bis(diphenylphosphino)butane and 2,4-bis(diphenylphosphino)pentane) by NMR in solution has been carried out. Novel PtI(SnCl3)-(diphosphine) and PtI(SnCl2I)(diphosphine) complexes were formed as a consequence of the halide exchange reaction. The selective formation of PtI(SnCl3)[2,4-bis(diphenylphosphino)-pentane] was observed in the reaction of Pt(SnCl3)[2,4-bis(diphenylpho sphino)pentane] and 0.5 SnCl2 and 0.5 SnI2. PtI(SnCl3)[2,4-bis(diphenylphosphino)pentane], the first platinum complex which contains a chiral chelating diphosphine and SnCl3 ligand, was structurally characterized by X-ray diffraction.
Farkas, E., Kollar, L., Moret, M., Sironi, A. (1996). Halogen exchange in platinum-phosphine-tin(II) halide systems. Characterization of the novel PtI(SnCl3)[(2S,4S)-2,4-bis(diphenylphosphino)pentane] complex. ORGANOMETALLICS, 15(5), 1345-1350 [10.1021/om9509406].
Halogen exchange in platinum-phosphine-tin(II) halide systems. Characterization of the novel PtI(SnCl3)[(2S,4S)-2,4-bis(diphenylphosphino)pentane] complex
MORET, MASSIMO;
1996
Abstract
The investigation of the PtCl2(diphosphine) + SnI2 and PtI2(diphosphine) + SnCl2 systems of catalytic importance (where diphosphines are 2, 3-bis(diphenylphosphino)butane and 2,4-bis(diphenylphosphino)pentane) by NMR in solution has been carried out. Novel PtI(SnCl3)-(diphosphine) and PtI(SnCl2I)(diphosphine) complexes were formed as a consequence of the halide exchange reaction. The selective formation of PtI(SnCl3)[2,4-bis(diphenylphosphino)-pentane] was observed in the reaction of Pt(SnCl3)[2,4-bis(diphenylpho sphino)pentane] and 0.5 SnCl2 and 0.5 SnI2. PtI(SnCl3)[2,4-bis(diphenylphosphino)pentane], the first platinum complex which contains a chiral chelating diphosphine and SnCl3 ligand, was structurally characterized by X-ray diffraction.
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