MOF-derived Ru@ZIF-8 catalyst with the extremely low metal Ru loading for selective hydrogenolysis of C-O bonds in lignin model compounds under mild conditions

2022 ◽  
Author(s):  
Wei Jiang ◽  
Jing-Pei Cao ◽  
Jin-Xuan Xie ◽  
Liang Zhao ◽  
Chuang Zhang ◽  
...  
Keyword(s):  
Metal Organic Frameworks ◽  
Model Compounds ◽  
Lignin Model Compounds ◽  
Mild Conditions ◽  
Selective Hydrogenolysis ◽  
Metal Organic ◽  
Lignin Model

Lignin hydrogenolysis to produce chemicals and biofuels is a challenge due to the stable C-O ether bonds structure. The metal-organic frameworks (MOF) materials with excellent structural and chemical versatility have...

Insights into the electrochemical degradation of phenolic lignin model compounds in protic ionic liquid-water system

2021 ◽  
Author(s):  
Guangyong Liu ◽  
Qian Wang ◽  
Dongxia Yan ◽  
Yaqin Zhang ◽  
Chenlu Wang ◽  
...  
Keyword(s):  
Water System ◽  
Value Added ◽  
Electrochemical Degradation ◽  
Aryl Ether ◽  
Model Compounds ◽  
Protic Ionic Liquid ◽  
Lignin Model Compounds ◽  
Mild Conditions ◽  
System P ◽  
Lignin Model

Cleavage of aryl ether (Caryl-O) bonds is crucial for conversion and value-added utilization of lignin and its derivatives, but remains extremely challenging under mild conditions due to strong Caryl-O linkages....

Eco-friendly preparation of ultrathin biomass-derived Ni3S2-doped carbon nanosheets for selective hydrogenolysis of lignin model compounds in the absence of hydrogen

2021 ◽  
Vol 23 (8) ◽  
pp. 3090-3103
Author(s):  
Changzhou Chen ◽  
Dichao Wu ◽  
Peng Liu ◽  
Jing Li ◽  
Haihong Xia ◽  
...  
Keyword(s):  
Model Compounds ◽  
Lignin Model Compounds ◽  
Carbon Nanosheets ◽  
Significant Potential ◽  
Selective Hydrogenolysis ◽  
Lignin Model

Lignin is an abundant source of aromatics, and the depolymerization of lignin provides significant potential for producing high-value chemicals.

The selective hydrogenolysis of C–O bonds in lignin model compounds by Pd–Ni bimetallic nanoparticles in ionic liquids

2017 ◽  
Vol 46 (35) ◽  
pp. 11884-11889 ◽  
Author(s):  
Kang-kang Sun ◽  
Guo-ping Lu ◽  
Jia-wei Zhang ◽  
Chun Cai
Keyword(s):  
Ionic Liquids ◽  
Bimetallic Nanoparticles ◽  
Ambient Pressure ◽  
Hydrogen Gas ◽  
Hydrogen Donor ◽  
Model Compounds ◽  
Lignin Model Compounds ◽  
Selective Hydrogenolysis ◽  
Lignin Model ◽  
Neutral Conditions

β-O-4 and α-O-4 linkages can be selectively cleaved by Pd–Ni bimetallic nanoparticles in ionic liquids using hydrogen gas as the hydrogen donor under ambient pressure and neutral conditions.

Unprecedented organocatalytic reduction of lignin model compounds to phenols and primary alcohols using hydrosilanes

2014 ◽  
Vol 50 (7) ◽  
pp. 862-865 ◽  
Author(s):  
Elias Feghali ◽  
Thibault Cantat
Keyword(s):  
Primary Alcohols ◽  
Model Compounds ◽  
Efficient Catalyst ◽  
Lignin Model Compounds ◽  
Metal Free ◽  
Mild Conditions ◽  
Lignin Model

The first metal-free reduction of lignin model compounds is described. Using inexpensive PMHS and TMDS hydrosilanes as reductants, α-O-4 and β-O-4 linkages are reduced to primary alcohols and phenols under mild conditions using B(C6F5)3as an efficient catalyst.

Selective Hydrogenolysis of Lignin Model Compounds to Aromatics over a Cobalt Nanoparticle Catalyst

2021 ◽  
Vol 9 (35) ◽  
pp. 11862-11871
Author(s):  
Wei Wu ◽  
Huizhen Liu ◽  
Haihong Wu ◽  
Bingxiao Zheng ◽  
Shitao Han ◽  
...  
Keyword(s):  
Model Compounds ◽  
Lignin Model Compounds ◽  
Selective Hydrogenolysis ◽  
Lignin Model ◽  
Cobalt Nanoparticle ◽  
Nanoparticle Catalyst

Conversion of lignin model compounds under mild conditions in pseudo-homogeneous systems

2016 ◽  
Vol 18 (8) ◽  
pp. 2341-2352 ◽  
Author(s):  
Lu Chen ◽  
Jiayu Xin ◽  
Lingli Ni ◽  
Huixian Dong ◽  
Dongxia Yan ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Metal Nanoparticles ◽  
Noble Metal ◽  
Catalyst System ◽  
Noble Metal Nanoparticles ◽  
Homogeneous Catalyst ◽  
Model Compounds ◽  
Lignin Model Compounds ◽  
Mild Conditions ◽  
Lignin Model

A novel pseudo-homogeneous catalyst system consisting of noble metal nanoparticles and ionic liquids is developed for the selective reductive cleavage of C–O and hydrodeoxygenation under mild conditions.

A multicentre synergistic polyoxometalate-based metal–organic framework for one-step selective oxidative cleavage of β-O-4 lignin model compounds

2020 ◽  
Vol 22 (1) ◽  
pp. 248-255 ◽  
Author(s):  
Hong-Rui Tian ◽  
Yi-Wei Liu ◽  
Zhong Zhang ◽  
Shu-Mei Liu ◽  
Tian-Yi Dang ◽  
...  
Keyword(s):  
Synergistic Effect ◽  
Metal Organic Framework ◽  
Value Added ◽  
Oxidative Cleavage ◽  
Model Compounds ◽  
Co Catalyst ◽  
Lignin Model Compounds ◽  
Metal Organic ◽  
One Step ◽  
Lignin Model

NENU-MV-5 as a heterogeneous catalyst without any co-catalyst, one-step selective oxidative cleavage of lignin models to high-value-added aromatics in a single solvent was achieved by synergistic effect of VIV–O–VV and CuI using O2 as oxidant.

Breakdown of lignins, lignin model compounds, and hydroxy-aromatics, to C1 and C2 chemicals via metal-free oxidation with peroxide or persulfate under mild conditions

RSC Advances ◽  
2014 ◽  
Vol 4 (34) ◽  
pp. 17931-17934 ◽  
Author(s):  
Adam Wu ◽  
Jean Michel Lauzon ◽  
Indah Andriani ◽  
Brian R. James
Keyword(s):  
Aqueous Solutions ◽  
Model Compounds ◽  
Lignin Model Compounds ◽  
Ambient Temperatures ◽  
Metal Free ◽  
Mild Conditions ◽  
Aromatic Components ◽  
Lignin Model ◽  
Free Oxidation

The aromatic components of lignin model compounds and lignins are degraded in basic, aqueous solutions using H2O2or K2S2O8, even at ambient temperatures, to mainly MeOH, formate, carbonate, and oxalate.

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