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Is water a suitable solvent for the catalytic amination of alcohols?

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Abstract

The catalytic conversion of biomass and biogenic platform chemicals typically requires the use of solvents. Water is present already in the raw materials and in most cases a suitable solvent for the typically highly polar substrates. Hence, the development of novel catalytic routes for further processing would profit from the optimization of the reaction conditions in the aqueous phase mainly for energetic reasons by avoiding the initial water separation. Herein, we report the amination of biogenic alcohols in aqueous solutions using solid Ru-based catalysts and ammonia as a reactant. The influence of different support materials and bimetallic catalysts is investigated for the amination of isomannide as a biogenic diol. Most importantly, the transferability of the reaction conditions to various other primary and secondary alcohols is successfully proved. Hence, water appears to be a suitable solvent for the sustainable production of biogenic amines and offers great potential for further process development.

Graphical abstract: Is water a suitable solvent for the catalytic amination of alcohols?

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Publication details

The article was received on 07 Feb 2017, accepted on 27 Mar 2017 and first published on 27 Mar 2017


Article type: Paper
DOI: 10.1039/C7GC00422B
Citation: Green Chem., 2017, Advance Article
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    Is water a suitable solvent for the catalytic amination of alcohols?

    J. Niemeier, R. V. Engel and M. Rose, Green Chem., 2017, Advance Article , DOI: 10.1039/C7GC00422B

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