3-Methylthiazolo[3,2-a]benzimidazole-benzenesulfonamide conjugates as novel carbonic anhydrase inhibitors endowed with anticancer activity: Design, synthesis, biological and molecular modeling studies
作者:Abdulsalam A.M. Alkhaldi、Mohammad M. Al-Sanea、Alessio Nocentini、Wagdy M. Eldehna、Zainab M. Elsayed、Alessandro Bonardi、Mahmoud F. Abo-Ashour、Ashraf K. El-Damasy、Mohammed S. Abdel-Maksoud、Tarfah Al-Warhi、Paola Gratteri、Hatem A. Abdel-Aziz、Claudiu T. Supuran、Radwan El-Haggar
DOI:10.1016/j.ejmech.2020.112745
日期:2020.12
Herein we describe design and synthesis of different series of novel small molecules featuring 3-methylthiazolo[3,2-a]benzimidazole moiety (as a tail) connected to the zinc anchoring benzenesulfonamide moiety via ureido (7), enaminone (12), hydrazone (14), or hydrazide (15) linkers. The newly prepared conjugates have been screened for their inhibitory activities toward four human (h) carbonic anhydrase
在这里,我们描述了不同系列的新颖小分子的设计与合成,这些小分子具有3-甲基噻唑并[3,2- a ]苯并咪唑基团(作为尾巴),通过脲基(7),烯胺酮(12),与锌锚定苯磺酰胺基团连接(14)或酰肼(15)接头。已经筛选了新制备的结合物对四种人(h)碳酸酐酶(CA,EC 4.2.1.1)同工型:h CA I,II,IX和XII的抑制活性。此后,尿素和烯胺酮连接基通过一个或两个原子的间隔基被拉长,以提供拉长的对应物9和13, 分别。最后,将锌锚定的磺酰胺基团替换为羧酸基团,得到酸17。化合物12D,13B和15显示个位数纳摩尔CA IX抑制活性(ķ我S = 6.2,9.7和5.5纳米,分别地),具有朝向HCA IX超过HCA I和II良好的选择性一起。随后,筛选了它们对乳腺癌MCF-7和MDA-MB-231细胞系的生长抑制作用,以及它们对细胞周期进程和凋亡诱导的影响。此外,进行了分子对接研究,以了解目标磺酰胺在h