Synthesis of quinazolinone derivatives containing an acyl hydrazone skeleton as potent anti-urease agents enzyme kinetic studies and anti-oxidant properties
作者:Nimet Baltaş
DOI:10.1177/17475198221096568
日期:2022.3
Also, the anti-oxidant activity and radical-scavenging properties of the synthesized compounds are evaluated using cupric reducing anti-oxidant activity, ferric reducing anti-oxidant capacity, 2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid), and 2,2-diphenyl-1-picrylhydrazyl assays. Compounds 3a, b and 5a, b have good anti-oxidant properties and radical-scavenging activity at various final concentrations
本文涵盖了一系列含有酰基腙骨架的新型喹唑啉酮衍生物的合成、体外脲酶抑制、酶动力学参数和抗氧化研究。化合物3a、3b、5a和5b的IC 50值范围为1.86 ± 0.07至6.38 ± 0.11 µg mL -1,显示出比标准抑制剂硫脲更高的抑制活性。在这些产品中,(2-[2-(3-methoxybenzyl)-4-oxoquinazolin-3(4 H )-yl]acetohydrazide) 被证明是最有效的,具有酶抑制活性,IC 50值为 1.86 ± 0.07微克毫升-1. 涉及 Lineweaver-Burk 图的动力学研究表明,发现最活跃的化合物(3a、3b、5a和5b)对脲酶活性的抑制机制处于竞争模式。此外,使用铜还原抗氧化活性、铁还原抗氧化能力、2,2'-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) 评估合成化合物的抗氧化活性和自由基清除性能和