Thienothiopyransulfonamides as complexing agents for the preparation of dual carbonic anhydrase inhibitors.
Co(II); Zn(II) and Cu(II) complexes of two new sulfonamide carbonic anhydrase (CA) inhibitors, derivatives of thienothiopyran-2-sulfonamide, were prepared and characterized by analytic, spectroscopic, magnetic and conductimetric measurements. The new complexes are more potent CA inhibitors than the parent sulfonamides, with IC(50) values around 0.1 nM, against isozyme CA II.
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University of Florence Laboratory of Inorganic and Bioinorganic Chemistry Via Gino Capponi 7 Firenze 1-50121 Italy.