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Issue 5, 2020
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Muconic acid isomers as platform chemicals and monomers in the biobased economy

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Abstract

Muconic acid (MA) is a high value-added dicarboxylic acid with conjugated double bonds, presenting three isomeric forms, i.e., cis,cis-MA, cis,trans-MA and trans,trans-MA. Its production is garnering increased interest owing to its potential as a starting material for the synthesis of value-added products as well as by being a versatile monomer for the production of specialty polymers. This review presents a systematic overview of production and synthesis routes to MA isomers as well as the routes for its final valorization. The production of MA through chemical pathways and the progress developed in the biotechnological pathways will be discussed. Traditional and new processes for achieving successful isomerization into the value-added trans,trans form of MA are also discussed and compared, with their constraints and possible solutions. The valorization of the three different isomers of MA into value-added chemicals such as adipic or terephthalic acids and MA polymers are summarized. Finally, the review concludes with a thorough summary, a practical insights section and an outlook. This work thus offers new perspectives and guidelines to tackle the challenges in MA chemistry, especially when aiming to combine an efficient biotechnological production of MA with its valorization.

Graphical abstract: Muconic acid isomers as platform chemicals and monomers in the biobased economy

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Article information


Submitted
04 Dec 2019
Accepted
31 Jan 2020
First published
07 Feb 2020

Green Chem., 2020,22, 1517-1541
Article type
Critical Review

Muconic acid isomers as platform chemicals and monomers in the biobased economy

I. Khalil, G. Quintens, T. Junkers and M. Dusselier, Green Chem., 2020, 22, 1517
DOI: 10.1039/C9GC04161C

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