Pikies Jerzy, Baum Elke, Matern Eberhard, Chojnacki Jaroslaw, Grubba Rafal, Robaszkiewicz Andrzej
Chemical Faculty, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-952, Gdańsk, Poland.
Chem Commun (Camb). 2004 Nov 7(21):2478-9. doi: 10.1039/b409673h. Epub 2004 Sep 16.
The reactions of lithiated diphosphanes with transition metal chlorides constitute a new general entry to phosphinophosphinidene complexes: the reaction of Cp2ZrCl2(Cp = C5H5) with tBu2P-P(SiMe3)Li (molar ratio approximately 1:1) yields [mu-(1,2:2-eta-tBu2P=P)[Zr(Cl)Cp2]2]; the reaction of Cp2ZrCl2 with tBu2P-P(SiMe3)Li (molar ratio approximately 1:2) and an excess of PPhMe2 in DME yields the first terminally bonded phosphinophosphinidene complex, [Zr(PPhMe2)Cp2].
Cp2ZrCl2(Cp = C5H5)与tBu2P - P(SiMe3)Li(摩尔比约为1:1)反应生成[μ-(1,2:2-η-tBu2P=P)[Zr(Cl)Cp2]2];Cp2ZrCl2与tBu2P - P(SiMe3)Li(摩尔比约为1:2)以及在二甲醚中过量的PPhMe2反应生成首个末端键合的磷亚膦烯配合物[Zr(PPhMe2)Cp2]。