Mehrfachbindungen zwischen Hauptgruppenelementen und Übergangsmetallen, XCVI Niob‐ und Tantalkomplexe mit Imido‐Liganden

Multiple Bonds Between Main-Group Elements and Transition Metals, XCVI. – Niobium and Tantalum Complexes Having Imido Ligands The new niobium and tantalum complexes 2b and 2c of formula M[N(SiMe3)2]2(NSiMe3)(OSiMe3) (M = Nb, b; Ta, c) are accessible by the reaction of the oxychlorides MOCl3 with the lithium amide LiN[Si(CH3)3]2 in 36 and 27% isolated yield, respectively.