An Approach to Mixed P<sub><i>n</i></sub>As<sub><i>m</i></sub>Ligand Complexes
作者:Christoph Schwarzmaier、Michael Bodensteiner、Alexey Y. Timoshkin、Manfred Scheer
DOI:10.1002/anie.201308239
日期:2014.1.3
The reaction of a P4 butterfly complex with yellow arsenic yields the largest mixed PnAsm ligand complexes synthesized to date. [Cp′′′Fe(CO)2}2(μ,η1:1‐P4)] reacts with As4 to yield [Cp′′′Fe}2(μ,η4:4‐PnAs4‐n)] and [Cp′′′Fe(η5‐PnAs5‐n)]. Mass spectrometry together with NMR spectroscopy and X‐ray crystallography give clear evidence about the arrangement of the E positions within the cyclo‐E5 and E4
P 4蝴蝶络合物与黄色砷的反应产生了迄今为止合成的最大的混合P n As m配体络合物。[CP'''Fe(CO)2 } 2(μ,η1 :1 ‐P 4)]与As 4反应生成[CP'''Fe} 2(μ,η4 :4 -P n如4- ñ)]和[CP'''的Fe(η 5 -P ñ如5- ñ)]。质谱结合NMR光谱和X射线晶体学可以清楚地证明环E中E位置的排列产品的5和E 4部分。此外,DFT计算的结果与实验确定的结果非常吻合。通过使E 4配合物[CP''Fe} 2(μ,η4 :4 -P n As 4- n)]与CuCl配位,E位置发生重排,有利于磷与铜的优选配位一维聚合物链中的碳原子。
Tetraphosphacyclopentadienyl and Triphosphaallyl Ligands in Iron Complexes
作者:Manfred Scheer、Shining Deng、Otto J. Scherer、Marek Sierka