Imine-linked conjugated organic polymer bearing bis(imino)pyridine ligands and its catalytic application in C-C coupling reactions

doi:10.1016/S1872-2067(14)60021-8

Abstract

Abstract:

Covalent organic polymers are an emerging class of materials with potential applications in areas including molecular separation, gas sorption, and catalysis. A novel fully conjugated organic polymer bearing bis(imino)pyridine (COP-BIP) and its catalytic function are reported here. Unlike previous COP materials, the imine bonds of COP-BIP act as both linkages and complexation sites for the binding of metal ions. A clear structure is presented based on ultraviolet-visible, Fourier transform infrared, and matrix-assisted laser desorption/ionization time-of-flight mass spectrometry characterization. The COP-BIP materials are thermally stable up to 440 ℃ and are insoluble in conventional solvents. In addition, COP-BIP complexes Pd ions on bis(imino)pyridine sites and forms a heterogeneous catalyst, which exhibits excellent catalytic activity in the Suzuki-Miyaura C-C coupling reaction.

Key words: Conjugated organic polymer material, Bis(imino)pyridine ligand, Catalysis, Suzuki-Miyaura C-C coupling

Guifu Chen, Feng Wang, Yehong Wang, Xiaochen Zhang, Hongqiang Qin, Hanfa Zou, Jie Xu. Imine-linked conjugated organic polymer bearing bis(imino)pyridine ligands and its catalytic application in C-C coupling reactions[J]. Chinese Journal of Catalysis, 2014, 35(4): 540-545.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(14)60021-8

https://www.cjcatal.com/EN/Y2014/V35/I4/540

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