Oxidation of non-phenolic β-O-aryl-lignin model dimers catalysed by lignin peroxidase. Comparison with the oxidation induced by potassium 12-tungstocobalt (III) ate
…, MF Gerini, O Lanzalunga, S Mancinelli
Index: Baciocchi, Enrico; Bietti, Massimo; Gerini, Maria Francesca; Lanzalunga, Osvaldo; Mancinelli, Simona Journal of the Chemical Society. Perkin Transactions 2, 2001 , # 9 p. 1506 - 1511
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Citation Number: 14
Abstract
The H2O2-promoted oxidations of the non-phenolic β-O-aryl-lignin model dimers 1-(3, 4- dimethoxyphenyl)-2-phenoxyethanol (1) and 2-(4-methoxyphenoxy)-1-phenylethanol (2) catalysed by LiP at pH= 4.0 have been studied. The oxidation of 1 mainly leads to the corresponding ketone, indicating that the prevailing reaction of the intermediate radical cation 1+˙ is Cα–H deprotonation. The oxidation of 2 forms 2-(4-methoxyphenoxy)-2- ...
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