Issue 5, 2011

Dioxygenase-catalysed cis-dihydroxylation of meta-substituted phenols to yield cyclohexenonecis-diol and derived enantiopure cis-triol metabolites

Abstract

cis-Dihydroxylation of meta-substituted phenol (m-phenol) substrates, to yield the corresponding cyclohexenonecis-diol metabolites, was catalysed by arene dioxygenases present in mutant and recombinant bacterial strains. The presence of cyclohexenonecis-diol metabolites and several of their cyclohexene and cyclohexane cis-triol derivatives was detected by LC-TOFMS analysis and confirmed by NMR spectroscopy. Structural and stereochemical analyses of chiral ketodiol bioproducts, was carried out using NMR and CD spectroscopy and stereochemical correlation methods. The formation of enantiopure cyclohexenonecis-diol metabolites is discussed in the context of postulated binding interactions of the m-phenol substrates at the active site of toluene dioxygenase (TDO).

Graphical abstract: Dioxygenase-catalysed cis-dihydroxylation of meta-substituted phenols to yield cyclohexenonecis-diol and derived enantiopure cis-triol metabolites

Supplementary files

Article information

Article type
Paper
Submitted
18 Oct 2010
Accepted
16 Nov 2010
First published
11 Jan 2011

Org. Biomol. Chem., 2011,9, 1479-1490

Dioxygenase-catalysed cis-dihydroxylation of meta-substituted phenols to yield cyclohexenonecis-diol and derived enantiopure cis-triol metabolites

D. R. Boyd, N. D. Sharma, P. J. Stevenson, M. Blain, C. McRoberts, J. T. G. Hamilton, J. M. Argudo, H. Mundi, L. A. Kulakov and C. C. R. Allen, Org. Biomol. Chem., 2011, 9, 1479 DOI: 10.1039/C0OB00894J

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