Citation: CHEN Han, YU Zhi-Chun, DENG Wei, JIANG Xuan-Feng, YU Shu-Yan. Pyrazolate-Based Dipalladium (Ⅱ, Ⅱ) Complexes: Syntheses, Characterization and Catalytical Performance in Suzuki-Coupling Reaction[J]. Chinese Journal of Inorganic Chemistry, ;2017, 33(6): 939-946. doi: 10.11862/CJIC.2017.090 shu

Pyrazolate-Based Dipalladium (Ⅱ, Ⅱ) Complexes: Syntheses, Characterization and Catalytical Performance in Suzuki-Coupling Reaction

CHEN Han ¹ ,
YU Zhi-Chun ² ,
DENG Wei ¹ ,
JIANG Xuan-Feng ^2,*,, ,
YU Shu-Yan ^1,2,*,,

1.
Laboratory for Self-Assembly Chemistry, Department of Chemistry, Renmin University of China, Beijing 100872, China
2.
Beijing Key Laboratory for Green Catalysis and Separation, Department of Chemistry and Chemical Industry, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China

Corresponding author: JIANG Xuan-Feng, jxf19821023@bjut.edu.cn YU Shu-Yan, yusy@ruc.edu.cn
Received Date: 24 December 2016
Revised Date: 13 March 2017

Figures(6)

A series of pyrazolate-based dipalladium(Ⅱ, Ⅱ) complexes named [Pd₂(bpy)₂L₂]²⁺ (1), [Pd₂(dmbpy)₂L₂]²⁺ (2) and [[Pd₂(phen)₂L₂]²⁺ (3) (bpy=2, 2'-bipyridine, dmbpy=4, 4'-dimethyl-2, 2'-bipyridine. phen=1, 10-phenanthroline) have been synthesized through a directed coordination approach that involves spontaneous deprotonation of the 1H-pyrazolyl ligands(HL) in aqueous solution driven by coordination effect. All of new complexes 1~3 have been fully characterized by ¹H NMR, ¹³C NMR, ESI-MS and single-crystal X-ray diffraction analysis. A weak intramolecular Pd…Pd (0.303~0.313 nm) bonding interaction exist in the solid crystal structure, a 1D helical chain network formed by hydrogen bonds interactions between intermolecular, which can be employed as a new kind of high-efficiency catalysts for Suzuki-coupling reaction.CCDC: 1519041, 1·2PF₆^-; 1536149, 2·2PF₆^-; 1536150, 3·2PF₆^-.
- dipalladium(Ⅱ) clips,
- catalyst,
- Suzuki-coupling reaction
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沈阳化工大学材料科学与工程学院沈阳 110142