The synthesis and characterisation of some nickel(0) complexes with π-bounded vinylsilicon ligands; the molecular structure of [Ni{P(C6H5)3}2{η2-CH2CHSi(CH3)3}]
作者:Hieronim Maciejewski、Agnieszka Sydor、Maciej Kubicki
DOI:10.1016/j.jorganchem.2004.06.057
日期:2004.9
Reactions of the nickel(0) complexes [Ni(cod)2] (in the presence of PP or [Ni(PPh3)2C2H4] with vinyl-siloxanes, -silanes or -silazanes yield, by displacement of alkene ligand, the new nickel π-complexes [Ni(PPh3)2(η-CH2CHSi(OSiMe3)3)] (2), [Ni(PPh3)}2μ-(η-(CH2CH)2SiMe}2O})] (4), [Ni(PPh3)η4-CH2CHSi(Me)(μ-O)}3] (5), [Ni(η-CH2CHSiMe2)2O}(η-CH2CHSiMe3)] (7) and the known complexes [Ni(PPh3)2(η-CH2CHSiMe3)]
镍(0)络合物[Ni(cod)2 ](在PP或[Ni(PPh 3)2 C 2 H 4的存在下)与乙烯基硅氧烷,-硅烷或-硅氮烷的反应通过烯烃置换得到配体,新的镍π络合物[镍(PPH 3)2(η-CH 2 CHSI(OSiMe 3)3)](2),[的Ni(PPH 3)} 2 μ-(η - (CH 2 CH)2森达} 2 ö})](4),[镍(PPH 3)η 4 -CH 2 CHSI(ME)(μ-O)} 3](5),[镍(η-CH 2 CHSiMe 2)2 ö}(η-CH 2 CHSiMe 3)](7)和公知的配合物[镍(PPH 3)2(η-CH 2 CHSiMe 3) ](1),[的Ni(PPH 3)} 2 μ-(η-(CH 2 CH)4的Si})](3),[的Ni(PPH 3)(η-CH 2 CHSiMe 2)2 NH}](6),通过简单的一锅合成即可获得,比迄今为止已发表