A Chiral Salen-type Schiff Base Cu2+ Complex for the Vinylic-type Polymerization of Norbornene |
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| Authors: | Zeng Chu Li Qin Ding Yong Long Lei Lei Chen Xing Qiang Lü Ji Rong Song Dai Di Fan Feng Bao Rui Ma |
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| Affiliation: | (1) Shaanxi Key Laboratory of Degradable Medical Material, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi’an, 710069, Shaanxi, China;(2) College of Chemistry, Central China Normal University, Wuhan, 430079, China;(3) Engineering Research Center of Nano-Geomaterials of Ministry of Education, China University of Geoscience, Wuhan, 430074, China; |
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| Abstract: | Abstract The chiral Salen-type Schiff base ligand H 2 L (H 2 L = (s)-(+)2,2′-bis(2-hydroxy-3-methoxybenzylideneamino)-1,1′-binaphthyl), was selected to obtain the new chiral Cu2+ complex CuL (1), which was found to catalyze the polymerization of norbornene (NBE). The complex shows the distinctively distorted geometry from a square-planar reactive center, this feature being suggested to account for the efficient catalysis on the vinylic-type polymerization of NBE, with moderate molecular weights and narrow molecular weight distributions. |
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