Issue 7, 2009

Chemo-enzymatic cascade oxidation in supercritical carbon dioxide/water biphasic media

Abstract

Enantioselective sulfoxidation was carried out by cascade reaction of Pd(0) catalysed formation of H2O2 and enzymatic oxidation using chloroperoxidase from Caldariomyces fumago. Supercritical carbon dioxide (scCO2) was used as medium for in situ generation of H2O2 directly from H2 and O2 using Pd-catalysts. Subsequently, H2O2 was utilised by the chloroperoxidase as an oxidant for the asymmetric sulfoxidation in the aqueous phase. This chemo-enzymatic cascade transformation exemplifies the potential of compartmentalisation of catalytic processes in multiphase systems.

Graphical abstract: Chemo-enzymatic cascade oxidation in supercritical carbon dioxide/water biphasic media

Article information

Article type
Paper
Submitted
19 Nov 2008
Accepted
16 Apr 2009
First published
30 Apr 2009

Green Chem., 2009,11, 1052-1055

Chemo-enzymatic cascade oxidation in supercritical carbon dioxide/water biphasic media

S. K. Karmee, C. Roosen, C. Kohlmann, S. Lütz, L. Greiner and W. Leitner, Green Chem., 2009, 11, 1052 DOI: 10.1039/B820606F

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