1296211-22-7Relevant academic research and scientific papers
Synthesis, characterization and ethylene oligomerization behavior of 2-(chloro-substituted-1H-benzoimidazol-2-yl)-6-(1-aryliminoethyl)pyridylnickel dihalides
Chen, Xia,Zhang, Liping,Yu, Jiangang,Hao, Xiang,Liu, Hao,Sun, Wen-Hua
, p. 156 - 163 (2011)
A series of 2-(chloro-substituted-1H-benzoimidazol-2-yl)-6-(1- aryliminoethyl)pyridines (L1-L6) was synthesized and fully characterized. They reacted with NiCl2 or (DME)NiBr2 to form the corresponding N^N^N tridentate nickel dichlorides (C1-C6) or dibromides (C7-C12). All nickel complexes were characterized by elemental analysis and infrared spectroscopy, while the X-ray diffraction study reveals the distorted octahedral geometry of representative nickel dichloride complex C3 and nickel dibromide complex C7. All nickel complexes, activated with either Et3Al2Cl 3 or Et2AlCl, showed good activities in ethylene oligomerization, and notably remarkably high selectivity of α-olefins was achieved in the presence of Et3Al2Cl3. The chloro-substituted ligands enhanced the activities of complexes in ethylene polymerization.
