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Redox Catalysis Facilitates Lignin Depolymerization.


ABSTRACT: Lignin is a recalcitrant and underexploited natural feedstock for aromatic commodity chemicals, and its degradation generally requires the use of high temperatures and harsh reaction conditions. Herein we present an ambient temperature one-pot process for the controlled oxidation and depolymerization of this potent resource. Harnessing the potential of electrocatalytic oxidation in conjugation with our photocatalytic cleavage methodology, we have developed an operationally simple procedure for selective fragmentation of ?-O-4 bonds with excellent mass recovery, which provides a unique opportunity to expand the existing lignin usage from energy source to commodity chemicals and synthetic building block source.

SUBMITTER: Bosque I 

PROVIDER: S-EPMC5492418 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Redox Catalysis Facilitates Lignin Depolymerization.

Bosque Irene I   Magallanes Gabriel G   Rigoulet Mathilde M   Kärkäs Markus D MD   Stephenson Corey R J CRJ  

ACS central science 20170607 6


Lignin is a recalcitrant and underexploited natural feedstock for aromatic commodity chemicals, and its degradation generally requires the use of high temperatures and harsh reaction conditions. Herein we present an ambient temperature one-pot process for the controlled oxidation and depolymerization of this potent resource. Harnessing the potential of electrocatalytic oxidation in conjugation with our photocatalytic cleavage methodology, we have developed an operationally simple procedure for s  ...[more]

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