Chitosan-functionalized magnetic nanoparticles for the immobilization of palladium nanoparticles: Synthesis, characterization, and application as an effective nanocatalyst for the Heck-Mizoroki coupling reaction in water

IF 2.1 3区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Organometallic Chemistry Pub Date : 2025-07-31 DOI:10.1016/j.jorganchem.2025.123793

Ali B.M. Ali , Ahmed A․ Mohammed , Maher Ali Rusho , Mutabar Latipova , Sardor Sabirov , Elangovan Muniyandy , M.A. Diab , Heba A. El-Sabban , Shahad Muthana Qasim , A.I. Ali , Saiful Islam , Abdul Saddique Shaik

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Abstract

This research detailed the eco-friendly fabrication of magnetic chitosan material immobilized by palladium nanoparticles (Pd NPs), accompanied by a comprehensive evaluation of its catalytic efficiency. The Fe₃O₄/CHT composite have been specifically engineered to act as a sustainable capping template, efficiently attaching Pd ions, which were then reduced with the help of Artemisia absinthium extract. The structural and physicochemical characteristics of the produced Fe₃O₄/CHT-Pd NPs were assessed using various analytical methods, including FE-SEM, EDS, TEM, elemental mapping, VSM, and ICP. After characterization, we successfully applied the Fe₃O₄/CHT-Pd NPs as a catalyst in the Heck-Mizoroki reaction, involving different haloarenes and styrene. This catalyst offers notable advantages, such as simple preparation, easy isolation from the reaction mixture, reusability for at least 7 cycles without notable loss of effectiveness, and stability under reaction conditions, along with significantly improved catalytic activity compared to numerous other catalysts documented in the current literature.

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壳聚糖功能化磁性纳米颗粒固定化钯纳米颗粒：合成、表征和作为水中Heck-Mizoroki偶联反应有效纳米催化剂的应用

本研究详细介绍了钯纳米颗粒（Pd NPs）固定化磁性壳聚糖材料的环保制备，并对其催化效率进行了综合评价。Fe3O4/CHT复合材料被专门设计为可持续封盖模板，有效地附着Pd离子，然后在苦艾草提取物的帮助下减少Pd离子。利用FE-SEM、EDS、TEM、元素图谱、VSM和ICP等多种分析方法对制备的Fe3O4/CHT-Pd NPs的结构和物理化学特征进行了评价。经过表征，我们成功地将Fe3O4/CHT-Pd NPs作为催化剂应用于不同卤代芳烃和苯乙烯的Heck-Mizoroki反应中。该催化剂具有明显的优点，如制备简单，易于从反应混合物中分离，可重复使用至少7个循环而不显着损失有效性，反应条件下的稳定性，以及与当前文献中记载的许多其他催化剂相比，催化活性显着提高。

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来源期刊

Journal of Organometallic Chemistry 化学-无机化学与核化学

CiteScore

4.40

自引率

8.70%

发文量

221

审稿时长

36 days

期刊介绍： The Journal of Organometallic Chemistry targets original papers dealing with theoretical aspects, structural chemistry, synthesis, physical and chemical properties (including reaction mechanisms), and practical applications of organometallic compounds. Organometallic compounds are defined as compounds that contain metal - carbon bonds. The term metal includes all alkali and alkaline earth metals, all transition metals and the lanthanides and actinides in the Periodic Table. Metalloids including the elements in Group 13 and the heavier members of the Groups 14 - 16 are also included. The term chemistry includes syntheses, characterizations and reaction chemistry of all such compounds. Research reports based on use of organometallic complexes in bioorganometallic chemistry, medicine, material sciences, homogeneous catalysis and energy conversion are also welcome. The scope of the journal has been enlarged to encompass important research on organometallic complexes in bioorganometallic chemistry and material sciences, and of heavier main group elements in organometallic chemistry. The journal also publishes review articles, short communications and notes.