镍络合物锚定和稳定的 Fe3O4@PEG 核壳纳米圈:用于合成苯并噻唑衍生物的具有超级催化活性的绿色合成纳米催化剂

IF 2.1 4区 化学 Q3 CHEMISTRY, PHYSICAL
Samane Mohammadlou, Nader Noroozi Pesyan
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引用次数: 0

摘要

近年来,基于绿色设计和合成的核壳纳米结构因其在催化领域的引人注目的应用,一直是科学家们感兴趣的领域。本研究设计并合成了一种基于 Fe3O4 的新型核壳纳米球,作为一种新型、异构、可重复使用、高效的绿色催化剂,用于在超声辐照下合成苯并噻唑衍生物。为实现这一目标,首先以合作法合成的 Fe3O4 磁性纳米粒子为核心,然后涂覆聚乙二醇(PEG-400)。随后,成功合成并报道了支撑在磁性纳米粒子上的 Ni@Murexide 复合物,在 Fe3O4@PEG 支撑物中使用 3-氯丙基三乙氧基硅烷(CPTES)和 Murexide(MX)配体进行修饰。通过傅立叶变换红外光谱(FT-IR)、扫描电子显微镜(SEM)、电子发射光谱(EDS)、电子显微镜(TEM)、ICP-OES、XRD、VSM 和热重分析(TGA)等不同分析方法对获得的 Fe3O4@PEG/MX/Ni 结构进行了表征。结果表明了超声波辐照的效果以及 Murexide 作为配体催化苯并噻唑衍生物生成的高效性,同时也证实了在超声波辐照下 10 分钟内通过一锅法使带有携电子/供电子基团的芳香醛的不同衍生物与 2-氨基苯硫酚反应的结果,这表明该过程对电子效应不敏感。此外,Fe3O4@PEG/MX@Ni 在催化剂活性没有明显降低的情况下至少可使用六次。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Fe3O4@PEG Core-Shell Nanosphere Anchored and Stabilized by Nickel Complex on Murexide: Green Synthesized Nanocatalyst with Super Catalytic Activity for Synthesize of Benzothiazole Derivatives

Fe3O4@PEG Core-Shell Nanosphere Anchored and Stabilized by Nickel Complex on Murexide: Green Synthesized Nanocatalyst with Super Catalytic Activity for Synthesize of Benzothiazole Derivatives

The recent advances in the green-based design and synthesis of core-shell nanostructures have always been an intriguing arena to scientists due to their compelling application in catalytic fields. This work designed and synthesized a new core-shell nanosphere based on Fe3O4 as a novel, heterogeneous, reusable, efficient, and green catalyst to synthesize benzothiazole derivatives under ultrasonic irradiation. To achieve this goal, initially, fabricated Fe3O4 magnetic nanoparticles via the co-operation method were synthesized as a core, followed by coating with polyethylene glycol (PEG-400). Subsequently, Ni@Murexide complex supported on magnetic nanoparticles is successfully synthesized and reported, modified using 3-chloropropyltriethoxysilane (CPTES) and Murexide (MX) ligand in the Fe3O4@PEG support. The obtained structure of Fe3O4@PEG/MX/Ni was characterized by different analyses such as FT-IR, SEM, EDS, TEM, ICP-OES, XRD, VSM, and TGA. The results illustrated the effect of ultrasonic irradiation and the high efficacy of Murexide as a ligand in catalyzing the formation of benzothiazole derivatives and confirming the findings from the reaction of different derivatives of aromatic aldehyde with electron-withdrawing/donor groups with 2-amino thiophenol through a one-pot process in 10 min under ultrasonic irradiation which shows the non-sensitivity of the process to electronic effects. Furthermore, Fe3O4@PEG/MX@Ni showed great use at least six times with no significant loss in catalyst activity.

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来源期刊
Catalysis Surveys from Asia
Catalysis Surveys from Asia 化学-物理化学
CiteScore
4.80
自引率
0.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: Early dissemination of important findings from Asia which may lead to new concepts in catalyst design is the main aim of this journal. Rapid, invited, short reviews and perspectives from academia and industry will constitute the major part of Catalysis Surveys from Asia . Surveys of recent progress and activities in catalytic science and technology and related areas in Asia will be covered regularly as well. We would appreciate critical comments from colleagues throughout the world about articles in Catalysis Surveys from Asia . If requested and thought appropriate, the comments will be included in the journal. We will be very happy if this journal stimulates global communication between scientists and engineers in the world of catalysis.
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