C-C or C-O Bond Cleavage in a Phenolic Lignin Model Compound: Selectivity Depends on Vanadium Catalyst

被引：242

作者：

Hanson, Susan K. ^{[1
,2
]}

Wu, Ruilian ^{[1
,2
]}

Silks, Louis A. Pete ^{[1
,2
]}

机构：

[1] Los Alamos Natl Lab, Div Chem, Los Alamos, NM 87545 USA

[2] Los Alamos Natl Lab, Biosci Div, Los Alamos, NM 87545 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 14期

关键词：

cleavage reactions; isotopic labeling; lignin; oxidation; vanadium; OXIDATIVE CLEAVAGE; AEROBIC OXIDATION; QUINQUEVALENT VANADIUM; ORGANIC COMPOUNDS; DEGRADATION; CHEMICALS; BIOMASS; ACIDS; DEPOLYMERIZATION; HYDROGENOLYSIS;

D O I：

10.1002/anie.201107020

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The aerobic oxidation of a phenolic lignin model compound with a vanadium catalyst results in the oxidative cleavage of the C-C bond between the aryl ring and the adjacent hydroxy-substituted carbon atom (see scheme). Labeling experiments indicate key mechanistic differences to a previously reported related C-O bond cleavage reaction. The selectivity in C-C versus C-O bond cleavage depends on the choice of the vanadium catalyst. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：3410 / 3413

页数：4

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