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Issue 8, 2019
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Room temperature catalytic dehydrogenation of cyclic amines with the liberation of H2 using water as a solvent

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Abstract

Catalytic dehydrogenation of cyclic amines, in particular partially saturated N-heterocycles to N-heterocyclic arenes, with the removal of molecular hydrogen as the sole byproduct in water is reported. This dehydrogenation reaction proceeds smoothly under very mild and benign conditions and operates at room temperature. This distinctive reactivity has been achieved under dual catalytic conditions by merging the visible-light active [Ru(bpy)3]2+ as the photoredox catalyst and a newly synthesized cobalt complex as the proton-reduction catalyst. A detailed mechanistic study (control experiments, electrochemical studies, UV-visible experiments) is presented for the present dual catalysis.

Graphical abstract: Room temperature catalytic dehydrogenation of cyclic amines with the liberation of H2 using water as a solvent

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Supplementary files

Article information


Submitted
17 Jan 2019
Accepted
14 Mar 2019
First published
28 Mar 2019

Green Chem., 2019,21, 2119-2128
Article type
Paper

Room temperature catalytic dehydrogenation of cyclic amines with the liberation of H2 using water as a solvent

M. K. Sahoo and E. Balaraman, Green Chem., 2019, 21, 2119
DOI: 10.1039/C9GC00201D

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