Design and synthesis of some new carboxamide and propanamide derivatives bearing phenylpyridazine as a core ring and the investigation of their inhibitory potential on in-vitro acetylcholinesterase and butyrylcholinesterase
作者:Burcu Kilic、Hayrettin O. Gulcan、Fatma Aksakal、Tugba Ercetin、Nihan Oruklu、E. Umit Bagriacik、Deniz S. Dogruer
DOI:10.1016/j.bioorg.2018.05.006
日期:2018.9
A series of new carboxamide and propanamide derivatives bearing phenylpyridazine as a core ring were designed, synthesized and evaluated for their ability to inhibit both cholinesterase enzymes. In addition, a series of carboxamide and propanamide derivatives bearing biphenyl instead of phenylpyridazine were also synthesized to examine the inhibitory effect of pyridazine moiety on both cholinesterase
设计,合成并评估了一系列以苯基哒嗪为核心环的新的羧酰胺和丙酰胺衍生物,以抑制它们同时抑制胆碱酯酶的能力。另外,还合成了一系列带有联苯而不是苯基哒嗪的羧酰胺和丙酰胺衍生物,以检验哒嗪部分对两种胆碱酯酶的抑制作用。抑制活性结果表明,化合物5b,5f,5h,5j,5l哒嗪-3-甲酰胺衍生物表现出选择性乙酰胆碱酯酶(AChE)抑制作用,IC 50值为0.11至2.69 µM。其中,化合物5h是活性最高的化合物(IC 50 = 0.11 µM),且其有效浓度对AChE无细胞毒性作用。此外,哒嗪-3-甲酰胺衍生物5d(AChE的IC 50 = 0.16 µM,BChE的IC 50 = 9.80 µM)和联苯-4-羧酰胺衍生物6d(AChE的IC 50 = 0.59 µM,BChE的IC 50 = 1.48 µM )显示出双重胆碱酯酶抑制活性。此外,还测试了活性化合物抑制Aβ聚集的能力。化合物的理论理化