Synthesis and in vitro evaluation of novel rhodanine derivatives as potential cholinesterase inhibitors
作者:Martin Krátký、Šárka Štěpánková、Katarína Vorčáková、Jarmila Vinšová
DOI:10.1016/j.bioorg.2016.07.004
日期:2016.10
of the rhodanine-3-acetic acid increased inhibition of BChE, even up to 26 times. Derivatives of 4-nitroaniline/phenol showed the activity superior to other substituents (H, Cl, CH3, OCH3, CF3). Rhodanines produced a balanced inhibition of both cholinesterases. Seven derivatives produced the more potent inhibition of AChE than rivastigmine, a clinically used drug; additional three compounds were comparable
根据罗丹丹酮的广泛生物活性,我们通过碳二亚胺或PCl 3-合成了芳族酰胺和2-(4-氧代-2-硫代噻唑并恶唑烷-3-基)乙酸(罗丹宁-3-乙酸)的酯。介导的偶联。使用Ellman分光光度法研究了酯类和酰胺类在体外对电鳗的乙酰胆碱酯酶(AChE)和对马血清中的丁酰胆碱酯酶(BChE)的体外抑制能力和选择性。该衍生物对两种胆碱脂酶均表现出中等的活性。IC 50与抑制BChE(7.92-227.19μM)相比,AChE的浓度值更接近24.05–86.85μM。与酰胺和母体酸相比,酯能更有效地抑制AChE。若丹宁-3-乙酸的酯化和酰胺化增加了对BChE的抑制,甚至高达26倍。4-硝基苯胺/苯酚的衍生物显示出优于其他取代基(H,Cl,CH 3,OCH 3,CF 3的活性))。罗丹宁对两种胆碱酯酶均产生了平衡的抑制作用。七种衍生物产生的AChE抑制作用比利伐斯明(一种临床上使用的药物)更有效。另外三种