Coordination modes of cis-P,P′-diphenyl-1,4-diphospha-cyclohexane to metal ions of Groups 9 and 10
作者： Maria Elena Cucciolito , Vincenzo De Felice , Ida Orabona , Achille Panunzi , Francesco Ruffo
DOI: 10.1016/S0020-1693(02)01211-2
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摘要: Abstract Complexes of a tertiary diphosphine with cyclic core, cis - P , ′-diphenyl-1,4-diphospha-cyclohexane (dpdpc), metal ions Groups 9 and 10 have been prepared characterised. In neutral M(0) or M(II) (M=Pt, Pd) complexes the acts as bridge affording polynuclear products. Instead, in cationic mononuclear Pt(II) Pd(II) species clear preference for chelation dpdpc is observed. Also cation [Ni(dpdpc) 2 Cl] + contains two moieties chelates. The molecular crystal structure (NiCl 4 ) discloses significantly small bite angle chelate interaction near phenyl rings pertaining to opposite moieties. Coordination cobalt prompts its oxidation corresponding ′-dioxide.
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