Phosphinohydrazines and phosphinohydrazides M(–N(R)–N(R)–PPh2)n of some transition and main group metals: synthesis and characterization
作者:Yana V. Fedotova、Alexander N. Kornev、Vyacheslav V. Sushev、Yurii A. Kursky、Tatiana G. Mushtina、Natalia P. Makarenko、Georgy K. Fukin、Gleb A. Abakumov、Lev N. Zakharov、Arnold L. Rheingold
DOI:10.1016/j.jorganchem.2004.06.056
日期:2004.9
p-But–C6H4– (2b)} with metal silylamides M[N(SiMe3)2]n, M = Fe(II), Fe(III), Co(II), Ni(I), Cu(I)} or the reactions of lithium salts ArN(Li)–N(Ar)–PPh2 with metal halides (GeCl2, ZnCl2, FeBr2, CoCl2, NiBr2, CrCl3, MnCl2) are strongly dependent on nature of a metal and its ligand environment.Early transition metals or non-transition metals form stable phosphinohydrazides M[N(Ar)N(Ar)PPh2]n M = Li, Zn, Ge(II)
膦酰肼ArNH–N(Ar)–PPh 2 Ar = Ph(2a),p -Bu t –C 6 H 4 –(2b)}与金属甲硅烷基酰胺M [N(SiMe 3)2 ] n, M = Fe(II),Fe(III),Co(II),Ni(I),Cu(I)}或锂盐ArN(Li)–N(Ar)–PPh 2与金属卤化物(GeCl 2,ZnCl 2,FeBr 2,CoCl 2,NiBr 2,CrCl 3,MnCl 2)很大程度上取决于金属的性质及其配体环境。早期过渡金属或非过渡金属形成稳定的膦酰肼M [N(Ar)N(Ar)PPh 2 ] n M = Li,Zn,Ge(II) ,Mn(II),Cr(III),Fe(II)}。通过X射线分析对起始配体2a和亚甲基Ge(NPhNPhPPh 2)2(7)进行表征。二⋯膦基团的距离为2.563(1)Å。这种配位导致氮原子的锥体几何结构相对于非配位片段明显增加。后期过渡金属(Co,Ni,Cu