Mediator-assisted selective oxidation of lignin model compounds by laccase from Botrytis cinerea

被引：0
|
作者：
H. Xu
Y.-Z. Lai
D. Slomczynski
J.P. Nakas
S.W. Tanenbaum
机构：
[1] State University of New York,Empire State Paper Research Institute, Faculty of Paper Science and Engineering
[2] College of Environmental Science and Forestry,Faculty of Environmental and Forest Biology
[3] State University of New York,Faculty of Chemistry
[4] College of Environmental Science and Forestry,undefined
[5] State University of New York,undefined
[6] College of Environmental Science and Forestry,undefined
来源：
Biotechnology Letters | 1997年 / 19卷
关键词：
Oxidation; Phenol; Organic Chemistry; Lignin; Bioorganic Chemistry;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Laccase from Botrytis cinereacatalyzes benzylic oxidations and cleavage of lignin-related diphenylmethanes. Selective reactions with non-phenolic monomeric or b-1-dimeric model compounds using O 2 and redox mediators can also be carried out. At substrate to mediator ratios of 5:1, 1-hydoxybenzotriazole (HOBT) is 8-20 fold more effective than 2,2-azinobis-3-ethylthiazoline-6-sulfonate (ABTS) for such biotransformations. With unblocked phenols, ring couplings are the dominant endproducts either with or without mediators.
引用
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页码：957 / 960
页数：3
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