Carbonic anhydrase inhibitors. Inhibition of human cytosolic isoforms I and II with (reduced) Schiff’s bases incorporating sulfonamide, carboxylate and carboxymethyl moieties
作者:Gihane Nasr、Alina Cristian、Mihail Barboiu、Daniella Vullo、Jean-Yves Winum、Claudiu T. Supuran
DOI:10.1016/j.bmc.2014.03.041
日期:2014.5
cytosolic human carbonic anhydrase (hCA, EC 4.2.1.1) isoenzymes, hCA I and II. The Ki values of the Schiff bases were in the range of 7.0–21,400 nM against hCA II and of 52–8600 nM against hCA I, respectively. The corresponding amines showed Ki values in the range of 8.6 nM–5.3 μM against hCA II, and of 18.7–251 nM against hCA I, respectively. Unlike the imines, the reduced Schiff bases are stable to hydrolysis
通过将掺入磺酰胺,羧酸或羧甲基官能团作为Zn 2+结合基团的芳族胺与掺入叔丁基,羟基和/或甲氧基的芳族醛缩合来合成席夫碱的文库。然后通过亚胺的还原获得相应的胺。测定了这些化合物对两种胞质人碳酸酐酶(hCA,EC 4.2.1.1)同工酶hCA I和II的抑制作用。相对于hCA II,席夫碱的K i值分别在7.0–21,400 nM和针对hCA I的52–8600 nM的范围内。相应的胺显示K i抗hCA II的值分别为8.6 nM–5.3μM,抗hCA I的值分别为18.7–251 nM。与亚胺不同,还原的席夫碱对水解稳定,并且检测到了几种低纳摩尔抑制剂,其中大多数掺入了磺酰胺基。一些羧酸盐还显示出有趣的CA抑制特性。这样的水溶性衍生物可以显示出药理学应用。