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Vinyl polymerization of norbornene with bis(imino)pyridyl nickel(II) complexes

✍ Scribed by Yuanbiao Huang; Jianxin Chen; Lisheng Chi; Chunxia Wei; Zhichun Zhang; Zhongshui Li; Aike Li; Li Zhang

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
184 KB
Volume
112
Category
Article
ISSN
0021-8995

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Vinyl polymerization of norbornene with
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## Abstract The polymerization of norbornene (NBE) was investigated in the presence of two novel pyrazolylimine nickel complexes [2‐(C~3~HN~2~Me~2~‐3,5){C(Ph)ο£Ύ[4‐R~2~C~6~H~2~(R~1~)~2~‐2,6]}NiBr~2~ (complex 1, R~1~ = ^i^Pr and R~2~ = H; complex 2, R~1~ = H and R~2~ = NO~2~)] activated by methylalumi

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A new diphosphinoamine ligand [Ph 2 PN(p-C 6 H 4 OMe)PPh 2 ] was prepared through aminolysis reaction of p-methoxyaniline with Ph 2 PCl in the presence of NEt 3 . Consequently, the corresponding nickel (II) diphosphinoamine complex [(p-C 6 H 4 OMe)N(PPh 2 ) 2 NiCl 2 ] was synthesized and characteriz