SYNTHESIS AND CHARACTERIZATION OF BIS-[2-[[(2-ALKOXYPHENYL)IMINO]METHYL]-PHENOLATO-O,N,O]NICKEL(II) COMPLEXES AND THEIR NORBORNENE POLYMERIZATION

Dong-heng Zhang; Su-yun Jie; Hai-jian Yang; Fei Chang; Wen-hua Sun

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SYNTHESIS AND CHARACTERIZATION OF BIS-[2-[[(2-ALKOXYPHENYL)IMINO]METHYL]-PHENOLATO-O,N,O]NICKEL(II) COMPLEXES AND THEIR NORBORNENE POLYMERIZATION

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATION OF BIS-[2-[[(2-ALKOXYPHENYL)IMINO]METHYL]-PHENOLATO-O,N,O]NICKEL(II) COMPLEXES AND THEIR NORBORNENE POLYMERIZATION
- Vol. 23, Issue 6, Pages: 619-626(2005)
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- Published：20 November 2005
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Dong-heng Zhang, Su-yun Jie, Hai-jian Yang, et al. SYNTHESIS AND CHARACTERIZATION OF BIS-[2-[[(2-ALKOXYPHENYL)IMINO]METHYL]-PHENOLATO-O,N,O]NICKEL(II) COMPLEXES AND THEIR NORBORNENE POLYMERIZATION[J]. 2005, 23(6): 619-626.
DOI：

Dong-heng Zhang, Su-yun Jie, Hai-jian Yang, et al. SYNTHESIS AND CHARACTERIZATION OF BIS-[2-[[(2-ALKOXYPHENYL)IMINO]METHYL]-PHENOLATO-O,N,O]NICKEL(II) COMPLEXES AND THEIR NORBORNENE POLYMERIZATION[J]. 2005, 23(6): 619-626. DOI：

摘要

A series of salicylaldimines

synthesized in high yield via microwave-assisted condensation of salicylaldehyde and 2-alkoxyaniline were allowed to react with nickel chloride to form six-coordinated nickel complexes. These nickel complexes were carefully characterized

and the solid structure of 1a was elucidated by X-Ray diffraction. Activated with MAO

the nickel complexes showed good activity for homopolymerization of norbornene. Reaction parameters

such as the ratio of nickel precursor to MAO

monomer concentration

reaction time and the reaction temperature

as well as the nature of the ligands were found to have significant effects on the catalytic activity and some properties of the resulting polynorbornene.

Abstract

A series of salicylaldimines

and the solid structure of 1a was elucidated by X-Ray diffraction. Activated with MAO

the nickel complexes showed good activity for homopolymerization of norbornene. Reaction parameters

such as the ratio of nickel precursor to MAO

monomer concentration

reaction time and the reaction temperature

as well as the nature of the ligands were found to have significant effects on the catalytic activity and some properties of the resulting polynorbornene.

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