Citation: LIU Gui-Yan, XU Ying, LIU Cheng-Xin. Synthesis, Structural Characterization and Catalytic Activity of Copper(I) Complexes with Triphenylphosphine and Pyridine Derivatives[J]. Chinese Journal of Structural Chemistry, ;2016, 35(5): 740-746. doi: 10.14102/j.cnki.0254-5861.2011-0972 shu

Synthesis, Structural Characterization and Catalytic Activity of Copper(I) Complexes with Triphenylphosphine and Pyridine Derivatives

1.
Tianjin Key Laboratory of Structure and Performance for Functional Molecules; Key Laboratory of Inorganic-Organic Hybrid Functional Materials Chemistry Tianjin Normal University, Ministry of Education; College of Chemistry, Tianjin Normal University, Tianjin 300387, China

Corresponding author: LIU Gui-Yan,
Received Date: 11 September 2015
Available Online: 27 November 2015
Fund Project: This work was supported by the Natural Science Foundation of Shanxi province (2012021005-2) and Technology Foundation for Selected Overseas of Shanxi (2012021005-2)

Two new Cu(I) complexes [CuCl(3-PyOH)(PPh₃)₂] (1) and [Cu₂(μ-Cl)₂(4-Stpy)(Ph₃P)₃] (2) (PyOH = hydroxypyridine; stpy = styrylpyridine) with triphenylphosphine and pyridine derivatives have been synthesized and characterized by elemental analysis and X-ray single-crystal diffraction. Compound 1 crystallizes in monoclinic, space group P2₁/c with a = 9.8945(7), b = 37.266(2), c = 10.9461(7) Å, β = 116.0750(10)°, V = 3625.3(4) Å³, Z = 4, D_c= 1.350 Mg/cm^-3, μ = 0.801 mm^-1, F(000) = 1528, the final R = 0.0320 and wR= 0.0729 for 18568 observed reflections (I> 2s(I)), R(all data) = 0.0413, wR(all data) = 0.0769, completeness to theta of 25.01 is 99.9% and GOF = 1.037. Compound 2 crystallizes in monoclinic, space group P2₁/c with a = 11.290(3), b = 20.388(5), c = 24.092(6) Å, β = 102.028(4)°, V = 5424(2) Å³, Z = 4, D_c = 1.428 Mg/cm^-3, μ = 1.016 mm^-1, F(000) = 2408, the final R = 0.0568 and wR= 0.1486 for 27644 observed reflections (I> 2s(I)), R(all data) = 0.0716, wR(all data) = 0.1592, completeness to theta of 25.01 is 99.9% and GOF = 1.056. Two new Cu(I) complexes have been utilized as catalysts for N-arylation of imidazole and both showed good catalytic activity.
- copper(I) complex,
- triphenylphosphine,
- pyridine derivatives,
- N-arylation,
- imidazole
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