Synthesis and mechanistic studies of diketo acids and their bioisosteres as potential antibacterial agents
作者:Phool Hasan、Vijay K. Pillalamarri、Babita Aneja、Mohammad Irfan、Mudsser Azam、Ahmad Perwez、Ronan Maguire、Umesh Yadava、Kevin Kavanagh、Constantin G. Daniliuc、Md Belal Ahmad、M. Moshahid A. Rizvi、Qazi Mohd Rizwanul Haq、Anthony Addlagatta、Mohammad Abid
DOI:10.1016/j.ejmech.2018.11.053
日期:2019.2
against purified MetAPs from Streptococcus pneumoniae (SpMetAP1a), Mycobacterium tuberculosis (MtMetAP1c), Enterococcus faecalis (EfMetAP1a) and human (HsMetAP1b), compounds 3a, 4a and 5a showed more than 85% inhibition of all the tested MetAPs at 100 μM concentration. Compounds 4a and 5a also exhibited antibacterial potential with MIC values 62.5 μg/mL (S. pneumoniae), 31.25 μg/mL (E. faecalis), 62.5 μg/mL
通过靶向蛋氨酸氨基肽酶(MetAPs),设计并合成了一系列二酮酯及其相关的生物等排体作为有效的抗菌剂。在针对来自肺炎链球菌(Sp MetAP1a),结核分枝杆菌(Mt MetAP1c),粪肠球菌(Ef MetAP1a)和人(Hs MetAP1b)的纯化MetAP的生化分析中,化合物3a,4a和5a对所有化合物的抑制作用均超过85%在100μM浓度下测试MetAP。化合物4a和5a还显示出具有MIC值为62.5μg/ mL(肺炎链球菌),31.25μg/ mL(粪肠球菌),62.5μg/ mL(大肠杆菌)和62.5μg/ mL(肺炎链球菌),62.5μg/ mL的抗菌潜能(大肠杆菌)。此外,5a还以512μg/ mL浓度显着抑制了多重耐药性大肠杆菌菌株的生长,同时对健康的CHO细胞没有细胞毒性作用,因此被选择。生长动力学研究表明,当用不同浓度的盐酸处理后,细菌的生长受到显着抑制。的5a。TE