Cellulose-Tethered Triazine-Palladium Nanocatalyst for Carbon-Carbon Bond Formation Reaction and Nitroarene Reduction

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2025-07-16 DOI:10.1007/s10562-025-05114-5

Kiran James, Vishal Kandathil, Haritha Jalaja Raghavan, Grigory Mathew, Narayanapillai Manoj

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Abstract

This study presents the development of a novel triazine-palladium nanocatalyst, Tz@cell-Pd, anchored on cellulose, a sustainable, cost-effective, abundant, environmentally benign, non-toxic material that serves as an ideal heterogeneous support for metallic nanoparticles (NPs), through a multistep approach. The prepared nanocatalyst was extensively characterized with multiple physicochemical analytical techniques to elucidate the physical and chemical properties of the Tz@cell-Pd nanocatalyst. The Tz@cell-Pd nanocatalyst demonstrated exceptional catalytic activity and high selectivity in both Hiyama coupling as well as in nitroarene reduction reactions under mild conditions. Also, the catalyst displayed high thermal stability and recyclability, allowing for easy recovery through simple filtration or ultracentrifugation from the reaction, while preserving its efficacy for subsequent cycles. The recovered catalyst remains effective for at least ten cycles in Hiyama coupling and six cycles in nitroarene reduction without any substantial loss of activity.

Graphical Abstract

Abstract Image

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纤维素系链三嗪钯纳米催化剂的碳-碳键形成反应和硝基芳烃还原

本研究介绍了一种新型三嗪-钯纳米催化剂Tz@cell-Pd的开发，该催化剂锚定在纤维素上，纤维素是一种可持续的、具有成本效益的、丰富的、环保的、无毒的材料，可作为金属纳米颗粒（NPs）的理想异质载体。采用多种物理化学分析技术对制备的纳米催化剂进行了广泛的表征，以阐明Tz@cell-Pd纳米催化剂的物理和化学性质。Tz@cell-Pd纳米催化剂在温和条件下对Hiyama偶联反应和硝基芳烃还原反应均表现出优异的催化活性和高选择性。此外，该催化剂还具有较高的热稳定性和可回收性，可以通过简单的过滤或超离心从反应中轻松回收，同时在后续循环中保持其功效。回收的催化剂在Hiyama偶联中至少有10个循环有效，在硝基芳烃还原中至少有6个循环有效，而没有任何实质性的活性损失。图形抽象

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.