Details

Autor(en) / Beteiligte

• Liu, Xue
• Li, Helong
• Xiao, Ling-Ping
• Sun, Run-Cang
• Song, Guoyong

Titel

Chemodivergent hydrogenolysis of eucalyptus lignin with Ni@ZIF-8 catalyst

Ist Teil von

• Green chemistry : an international journal and green chemistry resource : GC, 2019, Vol.21 (6), p.1498-1504

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2019

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Reductive catalytic fractionation (RCF) of lignocellulosic biomass, that is depolymerization of the native lignin component into well-defined monomeric phenols in the first step, offers an opportunity to utilize entire biomass components. Herein, we report that Ni@ZIF-8 can serve as a chemodivergent catalyst in RCF of eucalyptus sawdust, thus selectively producing phenolic compounds having either a propyl or propanol end-chain under different reaction conditions. In both cases, high yields of lignin monomers and a high degree of delignification were achieved, next to well-preserved carbohydrate pulp suitable for further processing. A mechanistic study using model compounds indicated that the dehydroxylation at the γ-position of the β- O -4 structure may be involved in the selectivity-controlling step.