Journal
JOURNAL OF MOLECULAR CATALYSIS B-ENZYMATIC
Volume 126, Issue -, Pages 106-114Publisher
ELSEVIER
DOI: 10.1016/j.molcatb.2015.12.012
Keywords
Laccase; C-S linkage; aromatic thiol; SH-containing compound; p-hydroquinone
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Laccases create C-C, C-O or C-N bonds and have been investigated intensively as catalysts for green chemistry and white biotechnology. However, little is known about C-S bond formation in laccasecatalyzed reactions. We have used the laccases from Pycnoporus cinnabarinus and Myceliophthora thermophila to create heteromolecular reaction products from p-hydroquinones and aromatic thiols via C-S bond formation. We discovered a broad assortment of different thiolated products, ranging from dimers to tetramers. During laccase-catalysis of the aromatic thiols without p-hydroquinones homomolecular dimers were formed and these were always linked by S-S bonds. The use of laccase is a convenient way to form heteromolecular thiolated products and homomolecular S-n S bonds under eco-friendly environments. (C) 2016 Elsevier B.V. All rights reserved.
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