Author:Wellington, Kevin W; Steenkamp, P; Brady, DDate:Feb 2010Nuclear diamination of p-hydrobenzoquinones with aromatic and aliphatic primary amines was catalyzed by a immobilised commercial laccase, Denilite II Base, from Novozymes. The amine and the p-hydrobenzoquinone was reacted under mild conditions ...Read more
Author:Strong, PJ; Burgess, JEDate:Sep 2008The aim of this work was to characterise wine-related wastewaters and ascertain the wastewater concentrations that were optimal for treatment by Trametes pubescens. Laccase production was also monitored. Crudely purified laccase was tested ...Read more
Author:Wellington, Kevin W; Kolesnikova, NIDate:May 2012Nuclear 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
Author:Wellington, Kevin W; Govindjee, Varsha P; Steenkamp, PaulDate:Dec 2018A 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
Author:Wellington, Kevin W; Gordon, GER; Ndlovu, LA; Steenkamp, PDate:Jun 2013Oxidative 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
Author:Wellington, Kevin W; Qwebani-Ogunleye, T; Kolesnikova, NI; Brady, D; De Koning, CBDate:Apr 2013A 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