Design, synthesis, and enzyme inhibition evaluation of some novel Mono- and Di-O-ß-D-Glycopyranosyl Chalcone analogues with molecular docking studies
作者:GONCA ÇELİK、GİZEM TATAR YILMAZ、HÜSEYİN ŞAHİN、BURAK BARUT、NURETTİN YAYLI
DOI:10.55730/1300-0527.3527
日期:——
16a-c, and 17a-c) were tested for their enzyme inhibition activity against α-glycosidase, tyrosinase, and AChE with in vitro and in silico analysis. Amongst them, compounds 12a-c, 16a-c, and 17a-c displayed moderate or less enzyme inhibition activity against α-glycosidase while other compounds 7a-c and 8a-c) were not active. Remarkably interesting enzyme inhibition effects, with IC50 values below 30.59
在本研究中,设计、合成并表征了一些新型单-和二-O-β-D-吡喃葡萄糖基查耳酮类似物。通过在乙醇溶液中碱催化的克莱森-施密特缩合反应,以良好的产率合成了查耳酮衍生物。然后这些查尔酮与TAGBr(2,3,4,6-四-O-乙酰基-α-D-吡喃葡萄糖基溴)在干燥丙酮中在无水条件下在0-5℃下反应。通过 Zemplen 方法用 NaOCH3 在无水甲醇中进行脱酰化,得到取代的查尔酮-O-糖苷(单-和二-O-β-D-吡喃糖基查尔酮类似物)。基于红外、核磁共振光谱数据和质谱分析,阐明了所有合成化合物的化学结构。此外,通过体外和计算机分析测试了化合物(7a-c、8a-c、12a-c、16a-c 和 17a-c)对 α-糖苷酶、酪氨酸酶和 AChE 的酶抑制活性。其中,化合物12a-c、16a-c和17a-c对α-糖苷酶表现出中等或较低的酶抑制活性,而其他化合物7a-c和8a-c)则没有活性。7c 对酪氨酸酶具有非常有趣的酶抑制作用,IC50