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- Title
3 H -1,2-benzoxathiepine 2,2-dioxides: a new class of isoform-selective carbonic anhydrase inhibitors.
- Authors
Pustenko, Aleksandrs; Stepanovs, Dmitrijs; Žalubovskis, Raivis; Vullo, Daniela; Kazaks, Andris; Leitans, Janis; Tars, Kaspars; Supuran, Claudiu T.
- Abstract
A new chemotype with carbonic anhydrase (CA, EC 4.2.1.1) inhibitory action has been discovered, the homo-sulfocoumarins (3H-1,2-benzoxathiepine 2,2-dioxides) which have been designed considering the (sulfo)coumarins as lead molecules. An original synthetic strategy of a panel of such derivatives led to compounds with a unique inhibitory profile and very high selectivity for the inhibition of the tumour associated (CA IX/XII) over the cytosolic (CA I/II) isoforms. Although the CA inhibition mechanism with these new compounds is unknown for the moment, we hypothesize that it may be similar to that of the sulfocoumarins, i.e. hydrolysis to the corresponding sulfonic acids which thereafter anchor to the zinc-coordinated water molecule within the enzyme active site.
- Subjects
CARBONIC anhydrase; SULFONIC acids; BINDING sites; DRUG design; THIN layer chromatography
- Publication
Journal of Enzyme Inhibition & Medicinal Chemistry, 2017, Vol 32, Issue 1, p767
- ISSN
1475-6366
- Publication type
Academic Journal
- DOI
10.1080/14756366.2017.1316720