Solvent-free synthesis of a Pd(II) coordination networked complex as reusable catalyst based on 3,5-bis(diphenylphosphino)benzoic acid |
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| Authors: | Xiaobing Wang Cheng-Yong Su |
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| Affiliation: | MOE Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China |
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| Abstract: | 3,5-bis(diphenylphosphino)benzoic acid (LH) reacted with Pd(COD)Cl2 to give [Pd(μ-LH)Cl2]2 (1) in which the Cl ligands are trans. Solventless grinding of 1 and ferric nitrate yielded an insoluble networked Pd-phosphine complex [LPdCl2Fe2/3]∞ (2), in which Fe atom bonds to the carboxylate group of LH. The networked complex 2 has been characterized by using FT-IR, X-ray photoelectron spectroscopy (XPS), scanning electron microscope (SEM), and BET surface area analysis. Complex 2 efficiently catalyzed the Suzuki coupling reactions and could be reused under ambient atmosphere. |
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| Keywords: | Palladium Phosphine Supported catalysis C-C coupling Coordination polymer |
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