Citation: LU Xue-Chun, LIANG Hong, DENG Jian-Qin, CHENG Xing, CHEN Jian-Xin, ZHANG Zhi-Chun. Synthesis, Structure and Catalytic Activity of a Palladium(II) Complex Based on 4-Chloro-2-[(6-methyl-pyridin-2-ylimino)-methyl]-phenol Ligand[J]. Chinese Journal of Structural Chemistry, ;2016, 35(5): 725-730. doi: 10.14102/j.cnki.0254-5861.2011-0923 shu

Synthesis, Structure and Catalytic Activity of a Palladium(II) Complex Based on 4-Chloro-2-[(6-methyl-pyridin-2-ylimino)-methyl]-phenol Ligand

a.
a. College of Chemistry and Chemical Engineering, Fujian Normal University, Fuzhou 350007, China;
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b. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

Corresponding author: CHEN Jian-Xin,
Received Date: 3 August 2015
Available Online: 31 March 2016
Fund Project:

The title complex bis{4-chloro-2-[(6-methyl-pyridin-2-ylimino)-methyl]-phenol}-palladium(II) (C₂₆H₂₀Cl₂N₄O₂Pd) has been synthesized by the reaction of 4-chloro-2-[(6-methyl-pyridin-2-ylimino)-methyl]-phenol with Pd(CH₃COO)₂, and characterized by IR spectrum and elemental analysis. Single-crystal X-ray diffraction analysis results further confirmed the molecular structures. The crystal belongs to the monoclinic system, space group P2₁/c with a = 4.1324(2), b = 23.5432(16), c = 11.8943(8) Å, β = 91.238(5)°, V = 1156.93(12) Å³, C₂₆H₂₀Cl₂N₄O₂Pd, M_r = 597.76, Z = 2, D_c = 1.716 g/cm³, μ = 1.067 mm^-1, F(000) = 600, the final R = 0.0247 and wR = 0.0677 (I > 2s(I)). In the presence of methylaluminoxane (MAO), the complex exhibits excellent catalytic activities (1.737×10⁷ g of PNB (mol of Pd)^-1×h^-1) in the vinyl polymerization of norbornene.
- nickel complex,
- crystal structure,
- catalyst,
- norbornene polymerization
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