Iron(II) and cobalt(II) 2-(benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes as catalysts for ethylene oligomerization and polymerization
文献类型：期刊论文
| 作者 | Sun, Wen-Hua ; Hao, Peng; Zhang, Shu; Shi, Qisong; Zuo, Weiwei; Tang, Xiubo; Lu, Xiaoming
|
| 刊名 | ORGANOMETALLICS
 |
| 出版日期 | 2007-05-07 |
| 卷号 | 26期号:10页码:2720-2734 |
| ISSN号 | 0276-7333 |
| DOI | 10.1021/om0700819 |
| 英文摘要 | A series of iron(II) (7a-11a) and cobalt(II) (7b-11b) 2-(1-methyl-2-benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes were synthesized, as well as bidentate iron(II) and cobalt(II) complexes ligated by 2-(2-benzimidazolyl)-6-methylpyridine, 2-(carboethoxyl)-6-(2-benzimidazolyl)pyridine, and 2-(1-methyl-2-benzimidazolyl)-6-acetylpyridine. All organic compounds were fully characterized by NMR and IR spectroscopy and elemental analysis, while the metal complexes were carefully examined by IR spectroscopy and elemental analysis. Their molecular structures were determined by single-crystal X-ray diffraction analysis. The bidentate metal complexes display a distorted-tetrahedral coordination geometry; however, 2a is an exception, with a distorted-trigonal-bipyramidal geometry due to coordination of one DMF molecule. The X-ray crystallographic studies on all of the tridentate metal complexes revealed the coordination geometry as a distorted trigonal bipyramid. Upon activation with MAO or MMAO, the iron(II) 2-(2-benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes showed high activities with good alpha-olefin selectivity, while the cobalt(II) analogues displayed moderate to good catalytic activities. However, other bidentate metal complexes showed considerable moderate catalytic activity. The oligomers and polyethylene waxes obtained were alpha-olefins, and the distribution of oligomers resembled Schulz-Flory rules with some exceptions. Various reaction parameters were investigated, and the results revealed that both the steric and electronic effects of ligands affect the catalytic activities of their metal complexes as well as the distribution of products. |
| 语种 | 英语 |
| WOS记录号 | WOS:000246027300035 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/62679]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Sun, Wen-Hua |
| 作者单位 | 1.Chinese Acad Sci, Inst Chem, Key Lab Engn Plast, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100080, Peoples R China 3.Capital Normal Univ, Dept Chem, Beijing 100037, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Wen-Hua,Hao, Peng,Zhang, Shu,et al. Iron(II) and cobalt(II) 2-(benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes as catalysts for ethylene oligomerization and polymerization[J]. ORGANOMETALLICS,2007,26(10):2720-2734. |
| APA | Sun, Wen-Hua.,Hao, Peng.,Zhang, Shu.,Shi, Qisong.,Zuo, Weiwei.,...&Lu, Xiaoming.(2007).Iron(II) and cobalt(II) 2-(benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes as catalysts for ethylene oligomerization and polymerization.ORGANOMETALLICS,26(10),2720-2734. |
| MLA | Sun, Wen-Hua,et al."Iron(II) and cobalt(II) 2-(benzimidazolyl)-6-(1-(arylimino)ethyl)pyridyl complexes as catalysts for ethylene oligomerization and polymerization".ORGANOMETALLICS 26.10(2007):2720-2734. |
入库方式： OAI收割
来源：化学研究所
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