期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 694, 期 1, 页码 86-90出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2008.10.009
关键词
Nickel complex; Pyridyl-imidazole-2-thione ligands; Polymerization; Norbornene; Ethylene
资金
- National Science Foundation of China [20531020, 20721063, 20771028]
- Shanghai Leading Academic Discipline project (B108)
- National Basic Research Program of China [2005CB623800]
The novel nickel (II) complexes (2a, 2b) bearing 1-pyridyl-(3-substituedimidazole-2-thione) ligands were synthesized by the reaction of the corresponding ligands with NiBr2(DME). 2a and 2b have been characterized by IR, NMR and elemental analysis. The nickel complexes show high catalytic activities for norbornene polymerization in the presence of MAO (methylaluminoxane), although low activities for ethylene polymerization. (C) 2008 Elsevier B.V. All rights reserved.
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