A Pd@Zeolite Catalyst for Nitroarene Hydrogenation with High Product Selectivity by Sterically Controlled Adsorption in the Zeolite Micropores

Angewandte Chemie
Jian ZhangFeng-Shou Xiao

Abstract

The adsorption of molecules on metal nanoparticles can be sterically controlled through the use of zeolite crystals, which enhances the product selectivity in hydrogenations of reactants with more than one reducible group. Key to this success was the fixation of Pd nanoparticles inside Beta zeolite crystals to form a defined structure (Pd@Beta). In the hydrogenation of substituted nitroarenes with multiple reducible groups as a model reaction, the Pd@Beta catalyst exhibited superior selectivity for hydrogenation of the nitro group, outperforming both conventional Pd nanoparticles supported on zeolite crystals and a commercial Pd/C catalyst. The extraordinary selectivity of Pd@Beta was attributed to the sterically selective adsorption of the nitroarenes on the Pd nanoparticles controlled by the zeolite micropores, as elucidated by competitive adsorption and adsorbate displacement tests. Importantly, this strategy is general and was extended to the synthesis of selective Pt and Ru catalysts by fixation inside Beta and mordenite zeolites.

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Citations

Jun 15, 2018·Faraday Discussions·Erjia GuanBruce C Gates
Jan 10, 2019·Chemical Society Reviews·Mariya ShamzhyAgustín Martínez
Jan 10, 2019·Journal of the Science of Food and Agriculture·Jing-Hua TzengYao-Tung Lin
Mar 2, 2019·Angewandte Chemie·Si-Ming WuChristoph Janiak
Sep 4, 2019·Advanced Materials·Lingxiang WangFeng-Shou Xiao
Apr 19, 2020·Nature Nanotechnology·Angela B GrommetRafal Klajn
Apr 11, 2018·Nature Communications·Liang WangFeng-Shou Xiao
Aug 14, 2019·Chemistry : a European Journal·Xiuchao YaoJieshan Qiu
Jan 10, 2019·Frontiers in Chemistry·Valentinos MouarrawisJoost N H Reek
Jun 26, 2020·Chemical Reviews·Chuanbo GaoYadong Yin
May 18, 2021·Accounts of Chemical Research·Yeqing WangFeng-Shou Xiao
Apr 13, 2021·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Dan XuShuyuan Wang
Jul 26, 2021·Journal of Colloid and Interface Science·Shaodan XuJunhong Tang
Jun 21, 2018·Journal of the American Chemical Society·Shuxing BaiXiaoqing Huang
Oct 2, 2019·ACS Applied Materials & Interfaces·Xiangru WeiZhangxiong Wu
Aug 10, 2021·Chemistry, an Asian Journal·Chengyang LiFuwei Li
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