Synthesis and docking studies of
<i>N</i>
‐(5‐(alkylthio)‐1,3,4‐oxadiazol‐2‐yl)methyl)benzamide analogues as potential alkaline phosphatase inhibitors
作者:Zafar Iqbal、Ambreen Iqbal、Zaman Ashraf、Muhammad Latif、Mubashir Hassan、Humaira Nadeem
DOI:10.1002/ddr.21542
日期:——
hydrazide was then cyclized into 5‐substituted 1,3,4‐oxadiazole‐2‐thione 4. The intermediate 4 was then reacted with alkyl or aryl halides 5a–5i to afford the title compounds N‐(5‐(methylthio)‐1,3,4‐oxadiazol‐2‐yl)methyl)benzamides 6a–i. The bioassay results showed that compounds 6a–i exhibited good to excellent alkaline phosphatase inhibitory activity. The most potent activity was exhibited by the compound
合成了一系列N-(5-(烷硫基)-1,3,4-恶二唑-2-基)甲基)苯甲酰胺6a-i作为碱性磷酸酶抑制剂。中间体5-取代的1,3,4-恶二唑-2-硫酮4是从马尿酸开始合成的。将第一步中的马尿酸转化为相应的甲酯2,其与水合肼反应后形成酰肼3。然后将马尿酸酰肼环化为5-取代的1,3,4-恶二唑-2-硫酮4。然后将中间体4与烷基或芳基卤化物5a-5i反应,得到标题化合物N-(5-(甲硫基)-1,3,4-恶二唑-2-基)甲基)苯甲酰胺6a–i。生物测定结果表明,化合物6a–i表现出良好至优异的碱性磷酸酶抑制活性。具有IC 50值为0.420μM的化合物6i表现出最有效的活性,而标准品(KH 2 PO 4)的IC 50值为2.80μM。针对碱性磷酸酶(PDBID 1EW2)进行了分子对接研究,以检查合成的化合物6a-1对靶蛋白的结合亲和力。对接结果显示三种化合物6c,6e和6i具有最大的结合相互作用,结合能值为-8