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Browsing by Subject "Laccase"

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A Laccase-catalysed one-pot synthesis of aminonaphthoquinones and their anticancer activity

Author: Wellington, Kevin W ; Kolesnikova, NI Date: May 2012 Nuclear monoamination of a 1,4-naphthohydroquinone with primary aromatic amines was catalysed by the commercial laccase, Novozym 51003, from Novozymes to afford aminonaphthoquinones. The synthesis was accomplished by reacting a mixture of the ... Read more
A laccase-catalysed synthesis of triaminated cyclohexa-2,4-dienones from catechol

Author: Wellington, Kevin W ; Govindjee, Varsha P ; Steenkamp, Paul Date: Dec 2018 A commercial laccase, Suberase from Novozymes, catalyses the synthesis of triaminated cyclohexa-2,4-dienones and a methylbenzene-1,2-diol derivative. The primary amine (analine) and the catechol was reacted under mild conditions (40C) in a ... Read more
Laccase-catalyzed C-S and C-C coupling for a one-pot synthesis of 1,4-naphthoquinone sulfides and 1,4-naphthoquinone sulfide dimers

Author: Wellington, Kevin W ; Gordon, GER ; Ndlovu, LA ; Steenkamp, P Date: Jun 2013 Oxidative C-S and C-C bond formation with aryl and alkyl thiols was catalyzed under mild conditions in a reaction vessel open to air at pH 4.5 in the presence of a commercial laccase (Novozym 51003 or Suberase) and a cosolvent (DMF) to afford ... Read more
A one-pot laccase-catalysed synthesis of 5,6-dihydroxylated benzo[b]furans and catechol derivatives, and their anticancer activity

Author: Wellington, Kevin W ; Qwebani-Ogunleye, T ; Kolesnikova, NI ; Brady, D ; De Koning, CB Date: Apr 2013 A commercial laccase, Suberase® from Novozymes, was used to catalyse the synthesis of 5,6-dihydroxylated benzo[b]furans and catechol derivatives. The yields were, in some cases, similar to or better than that obtained by other enzymatic, ... Read more
A one-pot laccase-catalysed synthesis of coumestan derivatives and their anticancer activity

Author: Qwebani-Ogunleye, Tozama ; Kolesnikova, Natalia I ; Steenkamp, Paul A ; De Koning, CB ; Brady, D ; Wellington, Kevin W Date: Dec 2016 Suberase®, a commercial laccase from Novozymes, was used to catalyse the synthesis of coumestans. The yields, in some cases, were similar to or better than that obtained by other enzymatic, chemical or electrochemical syntheses. The compounds ... Read more

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Browsing by Subject "Laccase"

Browsing by Subject "Laccase"

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