Journal
SCIENCE
Volume 342, Issue 6162, Pages 1073-1076Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1242005
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- Federal Ministry of Education and Research (BMBF)
- State of Mecklenburg-Vorpommern
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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.
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