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一种合成膦亚膦烯配合物的新方法。首例侧基配位和首例端基配位的膦亚膦烯锆配合物[μ-(1,2:2-η-tBu2P=P)[Zr(Cl)Cp2]2]和[[Zr(PPhMe2)Cp2](η1)-P-PtBu2]的合成与结构表征。

A new synthetic entry to phosphinophosphinidene complexes. Synthesis and structural characterisation of the first side-on bonded and the first terminally bonded phosphinophosphinidene zirconium complexes [mu-(1,2:2-eta-tBu2P=P)[Zr(Cl)Cp2]2] and [[Zr(PPhMe2)Cp2](eta1)-P-PtBu2)].

作者信息

Pikies Jerzy, Baum Elke, Matern Eberhard, Chojnacki Jaroslaw, Grubba Rafal, Robaszkiewicz Andrzej

机构信息

Chemical Faculty, Gdańsk University of Technology, ul. Narutowicza 11/12, 80-952, Gdańsk, Poland.

出版信息

Chem Commun (Camb). 2004 Nov 7(21):2478-9. doi: 10.1039/b409673h. Epub 2004 Sep 16.

DOI:10.1039/b409673h
PMID:15514824
Abstract

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].

摘要

锂化二膦与过渡金属氯化物的反应构成了合成磷亚膦烯配合物的一种新的通用方法

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]。

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