A Reversible Liquid Organic Hydrogen Carrier System Based on Methanol-Ethylenediamine and Ethylene Urea

Angewandte Chemie
Yinjun XieDavid Milstein

Abstract

A novel liquid organic hydrogen carrier (LOHC) system, with a high theoretical hydrogen capacity, based on the unpresented hydrogenation of ethylene urea to ethylenediamine and methanol, and its reverse dehydrogenative coupling, was established. For the dehydrogenation only a small amount of solvent is required. This system is rechargeable, as the H2 -rich compounds could be regenerated by hydrogenation of the resulting dehydrogenation mixture. Both directions for hydrogen loading and unloading were achieved using the same catalyst, under relatively mild conditions. Mechanistic studies reveal the likely pathway for H2 -lean compounds formation.

References

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Mar 9, 2011·Journal of the American Chemical Society·Masato ItoTakao Ikariya
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Nov 5, 2011·Angewandte Chemie·Ekambaram BalaramanDavid Milstein
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Citations

Aug 6, 2020·Nature Communications·Jose R Cabrero-AntoninoMatthias Beller
Nov 25, 2020·ChemSusChem·Ashish Bahuguna, Yoel Sasson
Jan 19, 2021·Chemistry : a European Journal·Quan-Quan ZhouDavid Milstein
Oct 8, 2019·Journal of the American Chemical Society·Tianyi HeAnthony R Chianese

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