A magnetic nanocomposite was prepared based on magnetic Fe₃O₄ nanoparticles entrapped into a cross‐linked nitrogen rich polymer which has high loading capacity for immobilization of gold nanoparticles. The synthesized catalyst was characterized using various methods including Atomic absorption spectroscopy (AAS), Transmission electron microscopy (TEM), Fourier‐transform infrared spectroscopy ( FT‐IR), Energy‐dispersive X‐ray spectroscopy (EDX), Thermogravimetric analysis (TGA), scanning electron microscope (SEM), Brunauer–Emmett–Teller (BET), VSM and X‐ray diffraction (XRD) techniques. The catalyst was proven to be highly efficient for reduction of nitroarenes as well as Suzuki–Miyaura coupling reaction. The reduction of nitroarenes and Suzuki–Miyaura coupling reaction were performed in water medium and excellent yields of the products were achieved. The catalyst was easily recovered and recycled several times without any significant loss of catalytic activity.

中文翻译：

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大量金纳米粒子修饰的交联三聚氰胺基团的磁性纳米复合材料：硝基化合物的还原和水介质中的铃木-宫浦耦合反应

基于磁性Fe ₃ O ₄制备磁性纳米复合材料纳米颗粒截留在交联的富氮聚合物中，该聚合物具有高负载能力，可固定金纳米颗粒。使用多种方法对合成的催化剂进行了表征，包括原子吸收光谱（AAS），透射电子显微镜（TEM），傅立叶变换红外光谱（FT-IR），能量色散X射线光谱（EDX），热重分析（TGA） ，扫描电子显微镜（SEM），Brunauer-Emmett-Teller（BET），VSM和X射线衍射（XRD）技术。事实证明，该催化剂对还原硝基芳烃以及铃木-宫浦偶联反应非常有效。在水介质中进行硝基芳烃的还原反应和Suzuki-Miyaura偶联反应，并获得了优异的收率。