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Cui X, Li Y, Bachmann S, et al. Synthesis and Characterization of Iron-Nitrogen-Doped Graphene/Core-Shell Catalysts: Efficient Oxidative Dehydrogenation of N-Heterocycles. J Am Chem Soc. 2015;137(33):10652-8doi: 10.1021/jacs.5b05674.
Cui, X., Li, Y., Bachmann, S., Scalone, M., Surkus, A. E., Junge, K., Topf, C., & Beller, M. (2015). Synthesis and Characterization of Iron-Nitrogen-Doped Graphene/Core-Shell Catalysts: Efficient Oxidative Dehydrogenation of N-Heterocycles. Journal of the American Chemical Society, 137(33), 10652-8. https://doi.org/10.1021/jacs.5b05674
Cui, Xinjiang, et al. "Synthesis and Characterization of Iron-Nitrogen-Doped Graphene/Core-Shell Catalysts: Efficient Oxidative Dehydrogenation of N-Heterocycles." Journal of the American Chemical Society vol. 137,33 (2015): 10652-8. doi: https://doi.org/10.1021/jacs.5b05674
Cui X, Li Y, Bachmann S, Scalone M, Surkus AE, Junge K, Topf C, Beller M. Synthesis and Characterization of Iron-Nitrogen-Doped Graphene/Core-Shell Catalysts: Efficient Oxidative Dehydrogenation of N-Heterocycles. J Am Chem Soc. 2015 Aug 26;137(33):10652-8. doi: 10.1021/jacs.5b05674. Epub 2015 Aug 11. PMID: 26230874.
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J Am Chem Soc. 2015 Aug 26;137(33):10652-8. doi: 10.1021/jacs.5b05674. Epub 2015 Aug 11.

Synthesis and Characterization of Iron-Nitrogen-Doped Graphene/Core-Shell Catalysts: Efficient Oxidative Dehydrogenation of N-Heterocycles.

Journal of the American Chemical Society

Xinjiang Cui, Yuehui Li, Stephan Bachmann, Michelangelo Scalone, Annette-Enrica Surkus, Kathrin Junge, Christoph Topf, Matthias Beller

Affiliations

  1. Leibniz-Institut für Katalyse e.V., an der Universit???Röstock , Albert Einstein Strasse 29a, 18059 Rostock, Germany.
  2. Process Research and Development, F. Hoffmann-La Roche Ltd. , Grenzacherstrasse 124, 4070 Basel, Switzerland.

PMID: 26230874 DOI: 10.1021/jacs.5b05674

Abstract

An important goal for nanocatalysis is the development of flexible and efficient methods for preparing active and stable core-shell catalysts. In this respect, we present the synthesis and characterization of iron oxides surrounded by nitrogen-doped-graphene shells immobilized on carbon support (labeled FeOx@NGr-C). Active catalytic materials are obtained in a simple, scalable and two-step method via pyrolysis of iron acetate and phenanthroline and subsequent selective leaching. The optimized FeOx@NGr-C catalyst showed high activity in oxidative dehydrogenations of several N-heterocycles. The utility of this benign methodology is demonstrated by the synthesis of pharmaceutically relevant quinolines. In addition, mechanistic studies prove that the reaction progresses via superoxide radical anions (·O2(-)).

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