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A new route to α,ω-diamines from hydrogenation of dicarboxylic acids and their derivatives in the presence of amines

Abstract

A new and selective route for the synthesis of polymer precursors, primary diamines or N-substituted diamines, from dicarboxylic acids, diesters, diamides and diols using a Ru/ triphos catalyst is reported. Excellent conversions and yields are obtained under optimised reaction conditions. The reactions worked very well using 1,4-dioxane as solvent, but the greener solvent, 2-methyl tetrahydrofuran, also gave very similar results. This method provides a potential route to converting waste biomass to value added materials. The reaction is proposed to go through both amide and aldehyde pathways.

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Publication details

The article was received on 18 Sep 2017, accepted on 11 Oct 2017 and first published on 11 Oct 2017


Article type: Paper
DOI: 10.1039/C7GC02838E
Citation: Green Chem., 2017, Accepted Manuscript
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    A new route to α,ω-diamines from hydrogenation of dicarboxylic acids and their derivatives in the presence of amines

    Y. Shi, P. Kamer and D. J. Cole-Hamilton, Green Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7GC02838E

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