Synthesis of Au–Pd@CeO2 nanocomposite as a potential catalyst for the Buchwald–Hartwig cross-coupling and amination of benzyl alcohol reactions

IF 1.7 4区 化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Journal of Chemical Sciences Pub Date : 2024-05-24 DOI:10.1007/s12039-024-02271-9
Padmakar A Kulkarni, Sandeep S Kahandal, Ashok G Awale, Jagdish C Bhangoji, Suresh S Shendage
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Abstract

Herein, we report the novel protocol for synthesizing bimetallic gold and palladium nanoparticles decorated on rigid and stable cerium oxide support using aloe vera extract. The Au–Pd@CeO2 catalyst was found to be effective for the Buchwald–Hartwig C–N cross-coupling reaction and amination of benzyl alcohol due to the synergistic influence generated by Au and Pd metals. The prepared catalyst was characterized by using XRD, TEM, SEM, and EDS. The catalyst can be efficiently used for a diverse range of substrates in the Buchwald–Hartwig C–N cross-coupling and amination of benzyl alcohol reactions compared to previously described protocols. The catalyst retains its catalytic activity even after seven cycles.

Graphical abstract

The synthesis of bimetallic gold and palladium nanoparticles decorated on cerium oxide support using aloe vera extract. The Au-Pd@CeO2 catalyst was found to be effective for Buchwald–Hartwig C-N cross-coupling and amination of benzyl alcohol reactions due to the synergistic effect generated by Au and Pd metals.

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合成 Au-Pd@CeO_2 纳米复合材料,作为 Buchwald-Hartwig 交叉偶联和苯甲醇胺化反应的潜在催化剂
在此,我们报告了利用芦荟提取物在刚性稳定的氧化铈载体上装饰合成双金属金和钯纳米粒子的新方案。由于金和钯金属产生的协同作用,Au-Pd@CeO2 催化剂可有效地用于 Buchwald-Hartwig C-N 交叉偶联反应和苯甲醇的胺化反应。利用 XRD、TEM、SEM 和 EDS 对制备的催化剂进行了表征。与之前描述的方案相比,该催化剂可有效地用于 Buchwald-Hartwig C-N 交叉偶联反应和苯甲醇胺化反应中的多种基质。图解摘要利用芦荟提取物合成了装饰在氧化铈载体上的双金属金和钯纳米粒子。由于金和钯金属产生的协同效应,发现 Au-Pd@CeO2 催化剂可有效地用于 Buchwald-Hartwig C-N 交叉偶联反应和苯甲醇胺化反应。
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来源期刊
Journal of Chemical Sciences
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.
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