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A Pd complex of a NNN pincer ligand supported on gamma-Fe2O3@SiO2 as the first magnetically recoverable heterogeneous catalyst for C-P bond forming reactions

机译:NNN钳形配体的Pd络合物负载在γ-Fe2O3@ SiO2上,是第一个进行C-P键形成反应的磁性可回收非均相催化剂

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摘要

A Pd complex of a NNN pincer ligand supported on gamma-Fe2O3@SiO2 as a new phosphine-free Pd catalyst was synthesized and characterized by different methods such as SEM, TEM, FT-IR, TGA, ICP, XRD, XPS and elemental analysis. The synthesized catalyst was successfully used as the first magnetically recoverable heterogeneous catalyst for the synthesis of arylphosphonates via C-P bond formation by a crosscoupling reaction of different electrophilic benzenes with phosphite esters under solvent-free conditions.
机译:合成了一种新型的无膦Pd催化剂,负载在γ-Fe2O3@ SiO2上的NNN钳形配体的Pd配合物,并通过SEM,TEM,FT-IR,TGA,ICP,XRD,XPS和元素分析等方法进行了表征。合成的催化剂成功地用作第一种可通过磁性回收的非均相催化剂,用于在无溶剂条件下通过不同亲电子苯与亚磷酸酯的交联反应,通过C-P键形成合成芳基膦酸酯。

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