Citation:
Huan Li, Guangxu Chen, Paul N. Duchesne, Peng Zhang, Yan Dai, Huayan Yang, Binghui Wu, Shengjie Liu, Chaofa Xu, Nanfeng Zheng. A nanoparticulate polyacetylene-supported Pd(Ⅱ) catalyst combining the advantages of homogeneous and heterogeneous catalysts[J]. Chinese Journal of Catalysis,
;2015, 36(9): 1560-1572.
doi:
10.1016/S1872-2067(15)60930-5
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A novel nanoparticulate polyacetylene-supported Pd(Ⅱ) catalyst (NP-Pd(Ⅱ)) for use in the aqueous Suzuki-Miyaura cross coupling reaction was successfully synthesized by simply treating an aqueous solution of PdCl42- with acetylene under ambient conditions. Electron microscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy and X-ray absorption spectroscopy were employed to characterize the NP-Pd(Ⅱ) structure in detail. These analyses demonstrated that the Pd atoms in the NP-Pd(Ⅱ) were present as Pd(Ⅱ) and were coordinated with both the Cl atoms and the C=C bonds of the polyacetylene. Both the homogeneous distribution of the Pd(Ⅱ) along the polyacetylene backbone and the aggregation of the NP-Pd(Ⅱ) in solution work in conjunction to make this material an ideal catalyst, combining the advantages of both homogeneous and heterogeneous catalysts.
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Keywords:
- Suzuki coupling,
- Acetylene,
- Palladium complex,
- Aqueous reaction
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