Synthesis, in vitro and in silico studies of novel potent urease inhibitors: N -[4-({5-[(3-Un/substituted-anilino-3-oxopropyl)sulfanyl]-1,3,4-oxadiazol-2-yl}methyl)-1,3-thiazol-2-yl]benzamides
作者:Muhammad Athar Abbasi、Mubashir Hassan、Aziz-ur-Rehman、Sabahat Zahra Siddiqui、Hussain Raza、Syed Adnan Ali Shah、Sung-Yum Seo
DOI:10.1016/j.bmc.2018.06.005
日期:2018.7
The present article describes the synthesis, in vitro urease inhibition and in silico molecular docking studies of a novel series of bi-heterocyclic bi-amides. The synthesis of title compounds was initiated by benzoylation, with benzoyl chloride (1), of the key starter ethyl 2-(2-amino-1,3-thiazol-4-yl)acetate (2) in weak basic aqueous medium followed by hydrazide formation, 4, and cyclization with
本文介绍了一系列新型的双杂环双酰胺的合成,体外脲酶抑制和计算机分子对接研究。标题化合物的合成是通过在弱碱性水性介质中,将关键起始剂2-(2-氨基-1,3-噻唑-4-基)乙酸乙酯(2)与苯甲酰氯(1)进行苯甲酰化反应开始的,然后酰肼的形成4,并与CS2环化以形成母体双杂环亲核试剂N- 4-[(5-硫烷基-1,3,4-恶二唑-2-基)甲基] -1,3-噻唑- 2-基}苯甲酰胺(5)。通过两步法合成了各种亲电试剂8a-1,最后将它们与5偶联,得到了目标双杂环双酰胺分子9a-1。通过IR,1 H NMR,13 C NMR,EI-MS和元素分析证实了新合成产物的结构。这些分子对脲酶的体外筛选研究表明,大多数化合物均显示出对该酶的有效抑制潜力。相对于IC50值为21.11±0.12 µM的标准硫脲,化合物9j的IC50值为2.58±0.02 µM,显示出最有希望的抑制活性。在计算机研究中,充分增强了