Enhancing catalytic activity of UiO-66 through CuO nanoparticles incorporation: a study on Henry reaction and one-pot allylic C-H bond oxidation of olefins

IF 1.7 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Sciences Pub Date : 2024-03-21 DOI:10.1007/s12039-024-02256-8

Mahsa Mahramasrar, Shamsullah Rezajo, Shiva Majidian, Bahareh Rostami Tabesh, Saadi Samadi

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Abstract

In this work, we prepared CuO NPs@UiO-66, a zirconium-based metal-organic framework with a nanoporous structure and high surface area, through a solvothermal method involving the in situ incorporation of pre-synthesized CuO nanoparticles. The synthesized material was characterized using various techniques, including Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nitrogen adsorption-desorption isotherms (BET-BJH). The catalytic activity of the synthesized catalyst, CuO NPs@UiO-66, was examined in both the Henry reaction and one-pot allylic C-H bond oxidation of olefins. Remarkably, the catalyst exhibited excellent recyclability, maintaining high yields and activity for up to three cycles.

Graphical abstract

CuO NPs@UiO-66 was synthesized by a solvothermal method involving the in situ incorporation of pre-synthesized CuO nanoparticles. Its catalytic activity was evaluated in the Henry reaction and one-pot allylic C-H bond oxidation of olefins

Abstract Image

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通过加入氧化铜纳米颗粒提高 UiO-66 的催化活性：亨利反应和烯烃的一锅式烯丙基 C-H 键氧化研究

在这项工作中，我们通过溶热法原位加入预合成的 CuO 纳米粒子，制备了具有纳米多孔结构和高比表面积的锆基金属有机框架 CuO NPs@UiO-66。利用傅立叶变换红外光谱（FT-IR）、X 射线衍射（XRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）和氮吸附-解吸等温线（BET-BJH）等多种技术对合成材料进行了表征。在亨利反应和烯烃的一锅烯丙基 C-H 键氧化反应中考察了合成催化剂 CuO NPs@UiO-66 的催化活性。值得注意的是，该催化剂具有极佳的可回收性，可在三个循环中保持高产率和活性。

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来源期刊

Journal of Chemical Sciences CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

5.90%

发文量

107

审稿时长

1 months

期刊介绍： Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.