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Title: An “ideal lignin” facilitates full biomass utilization
Authors: Li, Yanding
Shuai, Li
Kim, Hoon
Motagamwala, Ali Hussain
Mobley, Justin K.
Yue, Fengxia
Tobimatsu, Yuki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7578-7392 (unconfirmed)
Havkin-Frenkel, Daphna
Chen, Fang
Dixon, Richard A.
Luterbacher, Jeremy S.
Dumesic, James A.
Ralph, John
Author's alias: 飛松, 裕基
Issue Date: 28-Sep-2018
Publisher: American Association for the Advancement of Science (AAAS)
Journal title: Science advances
Volume: 4
Issue: 9
Thesis number: eaau2968
Abstract: Lignin, a major component of lignocellulosic biomass, is crucial to plant growth and development but is a major impediment to efficient biomass utilization in various processes. Valorizing lignin is increasingly realized as being essential. However, rapid condensation of lignin during acidic extraction leads to the formation of recalcitrant condensed units that, along with similar units and structural heterogeneity in native lignin, drastically limits product yield and selectivity. Catechyl lignin (C-lignin), which is essentially a benzodioxane homopolymer without condensed units, might represent an ideal lignin for valorization, as it circumvents these issues. We discovered that C-lignin is highly acid-resistant. Hydrogenolysis of C-lignin resulted in the cleavage of all benzodioxane structures to produce catechyl-type monomers in near-quantitative yield with a selectivity of 90% to a single monomer.
Rights: © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).
URI: http://hdl.handle.net/2433/234963
DOI(Published Version): 10.1126/sciadv.aau2968
PubMed ID: 30276267
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