Synthesis, in vitro α-amylase inhibitory, and radicals (DPPH & ABTS) scavenging potentials of new N-sulfonohydrazide substituted indazoles
作者:Rafaila Rafique、Khalid Mohammed Khan、Arshia、Sridevi Chigurupati、Abdul Wadood、Ashfaq Ur Rehman、Uzma Salar、Vijayan Venugopal、Shahbaz Shamim、Muhammad Taha、Shahnaz Perveen
DOI:10.1016/j.bioorg.2019.103410
日期:2020.1
used to treat type-II diabetes mellitus, but also linked to several harmful effects. Therefore, it is essential to explore new and nontoxic antidiabetic agents with additional antioxidant properties. In this connection, a series of new N-sulfonohydrazide substituted indazoles 1-19 were synthesized by multistep reaction scheme and assessed for in vitro α-amylase inhibitory and radical (DPPH and ABTS)
α-淀粉酶的过度表达会引起高血糖症,从而导致许多生理并发症,包括氧化应激,这是糖尿病最常见的问题之一。市售的α-淀粉酶抑制剂,例如阿卡波糖,伏格列波糖和米格列醇,用于治疗II型糖尿病,但也与多种有害作用有关。因此,必须探索具有其他抗氧化特性的新型无毒抗糖尿病药。在这方面,通过多步反应方案合成了一系列新的N-磺酰肼取代的吲唑1-19,并评估了其体外α-淀粉酶抑制和自由基(DPPH和ABTS)清除性能。所有化合物均通过不同的光谱技术进行了全面表征,包括1H,13C NMR,EI-MS,HREI-MS,ESI-MS和HRESI-MS。与标准阿卡波糖(IC50 1.20±0.09 µM)相比,化合物显示出有希望的α-淀粉酶抑制活性(IC50 = 1.23±0.06-4.5±0.03 µM)。此外,与具有清除活性的标准抗坏血酸相比,所有衍生物均被发现具有良好至中度的DPPH(IC50 2.01±0.13-5