Inhibition studies of new ureido-substituted sulfonamides incorporating a GABA moiety against human carbonic anhydrase isoforms I–XIV
作者:Mariangela Ceruso、Sabrina Antel、Daniela Vullo、Andrea Scozzafava、Claudiu T. Supuran
DOI:10.1016/j.bmc.2014.10.041
日期:2014.12
γ-Boc-GABA, prepared by protecting the γ-amino moiety of the amino butyric acid with the tert-butyloxycarbonyl (Boc) protecting group, with 4-methyl/ethyl benzenesulfonamide, followed by removal of the Boc protecting group in 3 M HCl afforded the corresponding hydrochlorides, which were further derivatized by reaction with a varying of aryl isocyanates to give a new classes of ureido substituted benzenesulfonamide
γ-BOC-GABA的反应中,通过保护氨基丁酸的γ-氨基部分与制备叔-丁氧基羰基(Boc)保护基,与4-甲基/乙基苯磺酰胺结合,然后在3 M HCl中除去Boc保护基,得到相应的盐酸盐,将其与不同种类的芳基异氰酸酯反应进一步衍生化,得到新的类别含有GABA部分的脲基取代的苯磺酰胺的制备。用这些新化合物对人碳酸酐酶(CA,EC 4.2.1.1)同工型,CA I–XIV的抑制研究表明,它们对hCA III,IV,VA,VI和XIII具有中等至弱的抑制能力,相当有效的抑制能力对hCA I,VI和IX具有抗性,并且对生理相关的hCA II和VII以及两种与肿瘤相关的同工型CA IX和XII具有出色的抑制作用。