Synthesis and Structure of Group 4 and 5 Metal Complexes with an Ancillary Sterically Demanding Diamido Ligand

Abstract

Reaction of tetrachlorides of group 4 and 5 transition metals with the chelating diamide [Me2C(CH2N(Li)(SiButPh2))2] (LLi2) leads to LMCl2 (M = Ti, Zr, Hf, V) complexes, which were characterized by X-ray diffraction. The reactivity of LMCl2 toward ethylene polymerization was tested with MAO as cocatalyst.