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[交流] [Science]铁基催化:纳米Fe2O3用于硝基芳香化合物选择性加氢 已有1人参与

Title: Nanoscale Fe2O3-Based Catalysts for Selective Hydrogenation of Nitroarenes to Anilines
Rajenahally V. Jagadeesh,1 Annette-Enrica Surkus,1 Henrik Junge,1 Marga-Martina Pohl,1 Jörg Radnik,1 Jabor Rabeah,1 Heming Huan,2
Volker Schünemann,2 Angelika Brückner,1 Matthias Beller1*
Abstract:
Production of anilines—key intermediates for the fine chemical, agrochemical, and pharmaceutical
industries—relies on precious metal catalysts that selectively hydrogenate aryl nitro groups in
the presence of other easily reducible functionalities. Herein, we report convenient and stable iron
oxide (Fe2O3)–based catalysts as a more earth-abundant alternative for this transformation.
Pyrolysis of iron-phenanthroline complexes on carbon furnishes a unique structure in which
the active Fe2O3 particles are surrounded by a nitrogen-doped carbon layer. Highly selective
hydrogenation of numerous structurally diverse nitroarenes (more than 80 examples) proceeded in
good to excellent yield under industrially viable conditions.
link:
http://www.sciencemag.org/content/342/6162/1073
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