THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD
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THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD
THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD
高分子科学(英文版)2009年27卷第5期 页码:711-717
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Hua-yi Li, Bao-gen Duan, You-liang Hu. THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD[J]. 高分子科学(英文版), 2009,27(5):711-717.
Hua-yi Li, Bao-gen Duan, You-liang Hu. THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD[J]. 2009,27(5):711-717.
Hua-yi Li, Bao-gen Duan, You-liang Hu. THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD[J]. 高分子科学(英文版), 2009,27(5):711-717.DOI:
Hua-yi Li, Bao-gen Duan, You-liang Hu. THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD[J]. 2009,27(5):711-717.DOI:
THE INFLUENCE OF SUBSTITUENT ELECTRONIC EFFECT ON ETHYLENE OLIGOMERIZATION ACTIVITIES OF BIS(IMINO)PYRIDYL Fe(II) CATALYSTS: A COMBINED MOLECULAR MECHANICS AND CHARGE EQUILIBRATION METHOD
Bis(imino)pyridyl Fe(II) complexes are important catalysts in ethylene oligomerization for preparing α-olefins. The metal net charge-activity relationship of bis(imino)pyridyl Fe(II) complexes was investigated by molecular mechanics (MM) and net charge equilibration (QEq) method with modified Dreiding force field. It was found that metal net charge was in reverse ratio to ethylene oligomerization activity. Electron-donor substituents with less steric hindrance to the central metal were favorable to Fe complex activity. Metal net charge-activity relationship could be used to assist the design of new Fe oligomerization catalysts with higher activity.
Abstract
Bis(imino)pyridyl Fe(II) complexes are important catalysts in ethylene oligomerization for preparing α-olefins. The metal net charge-activity relationship of bis(imino)pyridyl Fe(II) complexes was investigated by molecular mechanics (MM) and net charge equilibration (QEq) method with modified Dreiding force field. It was found that metal net charge was in reverse ratio to ethylene oligomerization activity. Electron-donor substituents with less steric hindrance to the central metal were favorable to Fe complex activity. Metal net charge-activity relationship could be used to assist the design of new Fe oligomerization catalysts with higher activity.