Halogen exchange in platinum-phosphine-tin(II) halide systems. Characterization of the novel PtI(SnCl3)[(2S,4S)-2,4-bis(diphenylphosphino)pentane] complex

被引:53
作者
Farkas, E
Kollar, L
Moret, M
Sironi, A
机构
[1] UNIV VESZPREM,DEPT ORGAN CHEM,H-8201 VESZPREM,HUNGARY
[2] UNIV MILAN,DIPARTIMENTO CHIM STRUTTURALE & STEREOCHIM INORGA,I-20133 MILAN,ITALY
关键词
D O I
10.1021/om9509406
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
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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页码:1345 / 1350
页数:6
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