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Aerobic oxidative dehydrogenation of N-heterocycles over OMS-2-based nanocomposite catalyst: preparation, characterization and kinetic study

Abstract

OMS-2-based nanocomposite doped by sodium phosphowolframate was prepared for the first time and its remarkably enhanced catalytic activity and recyclability in aerobic oxidative dehydrogenation of N-heterocycles was examined in detail. Many tetrahydroquinoline derivatives and a broad range of other N-heterocycles could be tolerated by the catalytic system using biomass-derived solvent as reaction medium. Newly generated mixed crystal phases, noticeably enhanced surface area and labile lattice oxygen of OMS-2-based nanocomposite catalyst might contribute to the excellent catalytic performance. Moreover, kinetic study was extensively investigated and concluded that the dehydrogenation of 1,2,3,4-tetrahydroquinoline is a first-order reaction, and the apparent activation energy is 29.66 kJ•mol-1.

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Publication details

The article was received on 29 Sep 2019, accepted on 29 Nov 2019 and first published on 29 Nov 2019


Article type: Paper
DOI: 10.1039/C9CY01968E
Catal. Sci. Technol., 2019, Accepted Manuscript

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    Aerobic oxidative dehydrogenation of N-heterocycles over OMS-2-based nanocomposite catalyst: preparation, characterization and kinetic study

    X. Bi, T. Tang, X. Meng, M. Gou, X. Liu and P. Zhao, Catal. Sci. Technol., 2019, Accepted Manuscript , DOI: 10.1039/C9CY01968E

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