Heteroatom-participated lignin cleavage to functionalized aromatics

被引：114

作者：

Li, Hongji ^{[1
,2
]}

Bunrit, Anon ^{[1
]}

Li, Ning ^{[1
]}

Wang, Feng ^{[1
]}

机构：

[1] Dalian Inst Chem Phys DICP, State Key Lab Catalysis SKLC, Dalian Natl Lab Clean Energy DNL, Dalian 116023, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHEMICAL SOCIETY REVIEWS | 2020年 / 49卷 / 12期

基金：

中国国家自然科学基金;

关键词：

MODEL COMPOUNDS; CATALYTIC CLEAVAGE; MONOMER PRODUCTION; DEPOLYMERIZATION; CONVERSION; OXIDATION; CHEMICALS; TRANSFORMATION; REDUCTION; PHENOLS;

D O I：

10.1039/d0cs00078g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Lignin, the most abundant aromatic polymer in nature, enables sustainable supply of miscellaneous aromatics as green fuels and chemicals. Obtaining the value-added aromatics from lignin, though subjected to enormous research efforts, mainly relies on depolymerization induced by activated hydrogen species or oxygen species, delivering hydrocarbons and oxygenates. The future bio-refinery demands a broad spectrum of fine chemicals, especially those containing elements other than C, H and O. Heteroatom-containing compounds have emerged as powerful reagents to participate in the bond cleavage in lignin; meanwhile, the obtained heteroatom-containing aromatics, which could be used as dye precursors, pharmaceutical precursors, hydrogen storage materials,etc., extend the application of lignin-derived products. This tutorial review updates recent advances in the lignin C-C and C-O bond cleavages induced by heteroatoms X (N, Si, I and Li), which also lead to functionalized products containing C-X and O-X bonds. The representative reaction pathways and feasibilities in lignin models and extracts are summarized. Potential applications of functionalized monomers in synthetic transformations, pharmaceuticals, dyes and energy storage are also discussed.

引用

页码：3748 / 3763

页数：16

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