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一种基于钴核壳纳米粒子的通用催化剂用于包括吡啶在内的氮杂芳烃的氢化反应。

A General Catalyst Based on Cobalt Core-Shell Nanoparticles for the Hydrogenation of N-Heteroarenes Including Pyridines.

作者信息

Murugesan Kathiravan, Chandrashekhar Vishwas G, Kreyenschulte Carsten, Beller Matthias, Jagadeesh Rajenahally V

机构信息

Leibniz-Institut für Katalyse e. V., Albert-Einstein-Str. 29a, 18059, Rostock, Germany.

出版信息

Angew Chem Int Ed Engl. 2020 Sep 28;59(40):17408-17412. doi: 10.1002/anie.202004674. Epub 2020 Aug 17.

DOI:10.1002/anie.202004674
PMID:32543735
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7540604/
Abstract

Herein, we report the synthesis of specific silica-supported Co/Co O core-shell based nanoparticles prepared by template synthesis of cobalt-pyromellitic acid on silica and subsequent pyrolysis. The optimal catalyst material allows for general and selective hydrogenation of pyridines, quinolines, and other heteroarenes including acridine, phenanthroline, naphthyridine, quinoxaline, imidazo[1,2-a]pyridine, and indole under comparably mild reaction conditions. In addition, recycling of these Co nanoparticles and their ability for dehydrogenation catalysis are showcased.

摘要

在此，我们报道了通过在二氧化硅上模板合成钴-均苯四甲酸并随后进行热解制备的特定二氧化硅负载的Co/CoO核壳基纳米颗粒的合成。该最佳催化剂材料能够在相对温和的反应条件下对吡啶、喹啉以及包括吖啶、菲咯啉、萘啶、喹喔啉、咪唑并[1,2-a]吡啶和吲哚在内的其他杂芳烃进行一般的选择性氢化。此外，展示了这些钴纳米颗粒的循环利用及其脱氢催化能力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/76c387f05589/ANIE-59-17408-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/d603facdd487/ANIE-59-17408-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/883f6dec7ef1/ANIE-59-17408-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/787ae36256d8/ANIE-59-17408-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/b1c0a8ff4a4f/ANIE-59-17408-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/3db8e451b851/ANIE-59-17408-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/76c387f05589/ANIE-59-17408-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/d603facdd487/ANIE-59-17408-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/883f6dec7ef1/ANIE-59-17408-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/787ae36256d8/ANIE-59-17408-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/b1c0a8ff4a4f/ANIE-59-17408-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/3db8e451b851/ANIE-59-17408-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/bbb1/7540604/76c387f05589/ANIE-59-17408-g006.jpg

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