Synthesis and Reactivity of an End-Deck <i>cyclo</i>
-P<sub>4</sub>
Iron Complex
作者:Anthony Cavaillé、Nathalie Saffon-Merceron、Noel Nebra、Marie Fustier-Boutignon、Nicolas Mézailles
DOI:10.1002/anie.201711130
日期:2018.2.12
Reduction of the FeII complex [(PhPP2Cy)FeCl2] (2) generated an electron‐rich and unsaturated Fe0 species, which was reacted with white phosphorus. The resulting new complex, [(PhPP2Cy)Fe(η4‐P4)] (3), is the first iron cyclo‐P4 complex and the only known stable end‐deck cyclo‐P4 complex outside Group V. Complex 3 features an FeII center, as shown by Mössbauer spectroscopy, associated to a P42− fragment
Fe II络合物[(Ph PP 2 Cy)FeCl 2 ](2)的还原产生了富电子且不饱和的Fe 0物种,该物种与白磷反应。将得到的新的配合物[(博士PP 2赛扬)的Fe(η 4 -P 4)](3),是第一铁环-P 4复杂和已知的唯一稳定的端甲板环-P 4复杂以外的V族。复合3具有Fe II中心,如Mössbauer光谱所示,与P 4 2-相关分段。通过分子轨道的分析使配合物3的独特反应性合理化。的复杂的反应3用H +得到不稳定的配合物[(博士PP 2赛扬)的Fe(η 4 -P 4)(H)] +(4),而用氯化亚铜和BCF中,配合物[(博士PP 2赛扬)的Fe(η 4:η 1 -P 4)(μ-的CuCl)] 2(5)和[(博士PP 2赛扬)的Fe(η 4:η 1-P 4)B(C 6 F 5)3 ](6)形成。