Cobalt and Nickel Complexes Bearing Pyrazolyliminophosphorane Ligands: Synthesis, Characterisation and Catalytic Ethylene Oligomerisation Behaviour
作者:Cheng Zhang、Wen‐Hua Sun、Zhong‐Xia Wang
DOI:10.1002/ejic.200600651
日期:2006.12
were further characterised by single-crystal X-ray diffraction techniques. Complexes 5-13 are active catalysts for ethylene oligomerisation upon activation with alkylaluminium derivatives (Et2AlCl, MAO or MMAO). These complexes exhibit good to high catalytic activities (up to 3.54 x 10(6) g mol(-1) h atm for the nickel complexes and 5.48 x 10(5) g mol(-1) h atm for the cobalt complexes). The effects of