Recommanded Product: 54903-09-2. Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 6-Acetylbenzo[d]oxazol-2(3H)-one, is researched, Molecular C9H7NO3, CAS is 54903-09-2, about New halogenated chalcones with cytotoxic and carbonic anhydrase inhibitory properties: 6-(3-Halogenated phenyl-2-propen-1-oyl)-2(3H)-benzoxazolones. Author is Bilginer, Sinan; Gul, Halise I.; Erdal, Feyza S.; Sakagami, Hiroshi; Gulcin, Ilhami.
In this study, novel halogenated chalcones, 6-(3-halogenated phenyl-2-propen-1-one)-2(3H)-benzoxazolones (2a-n), were synthesized for the first time (except 2a), and their chem. structures were characterized by 1H NMR (NMR), 13C NMR, and high-resolution mass spectrometry spectra. Cytotoxic activities and carbonic anhydrase (CA) inhibitory effects of the compounds were studied to identify new possible drug candidate mols. Cytotoxicity results pointed out that compound 2m, 6-[3-(3-bromophenyl)-2-propenoyl]-2(3H)-benzoxazolone, had the highest cytotoxicity (CC50) and potency selectivity expression (PSE) values. Thus, compound 2m can be considered as a lead compound of the series in terms of cytotoxicity. When the CA inhibition results of the compounds were evaluated, it was found that the Ki values of the compounds ranged from 30.5 ± 11.3 to 65.5 ± 25.6 μM toward hCA I, and they ranged from 7.3 ± 1.8 to 58.8 ± 12.3 μM toward hCA II. However, the Ki values of the reference drug, acetazolamide (AZA), were 30.2 ± 7.8 and 4.4 ± 0.6 μM toward hCA I and hCA II, resp. According to the results obtained, compounds 2a-n had lower Ki values than AZA, whereas compounds 2a, 2b, 2e-g, 2l, and 2n had similar Ki values, compared with AZA. So, the compounds 2a, 2b, 2e-g, 2l, and 2n can be considered as lead mols. of this series for further considerations.
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