Journal
COORDINATION CHEMISTRY REVIEWS
Volume 306, Issue -, Pages 510-532Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2015.02.004
Keywords
Aromatic chemicals; Lignin depolymerization; C-O bond cleavage; Homogeneous catalysis
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Funding
- European Commission (SuBiCat Initial Training Network) [607044]
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In the coming decades major changes are expected in the chemical industry regarding the utilized raw material inputs. Depleting fossil resources will gradually be replaced by renewable feedstocks wherever possible. Because of this transition, new and efficient methodologies are required that enable depolymerization and defunctionalization of these complex, highly oxygenated biopolymers. Additionally, utilization of all components of lignocellulose is of great importance. In particular, depolymerization of lignin into its aromatic subunits or defined aromatic platform chemicals has proven challenging. Various approaches to overcome these difficulties have been attempted and resulted in new and exciting developments in many fields. In this review we will give an overview of bond cleavage strategies relevant for lignin depolymerization using homogeneous catalysts, focusing especially on reductive and hydrogen transfer methods. (C) 2015 Published by Elsevier B.V.
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