Synthesis, computational studies and enzyme inhibitory kinetics of benzothiazole-linked thioureas as mushroom tyrosinase inhibitors
作者:Rabail Ujan、Aamer Saeed、Saba Ashraf、Pervaiz Ali Channar、Qamar Abbas、Mahboob Ali Rind、Mubashir Hassan、Hussain Raza、Sung-Yum Seo、Hesham R. El-Seedi
DOI:10.1080/07391102.2020.1804459
日期:2021.12.12
Abstract Herein, we report synthesis of a set of benzothiazole-thiourea hybrids with aromatic and aliphatic side chains (BT1 to BT9) using an elegant synthetic strategy. The newly synthesized benzothiazole-thiourea conjugates were subjected to In-vitro tyrosinase inhibition and free radical scavenging activity. Majority of the compounds indicated inhibition considerably improved than the standard;
摘要 在此,我们报告了使用优雅的合成策略合成一组具有芳香族和脂肪族侧链(BT1到BT9)的苯并噻唑-硫脲杂化物。新合成的苯并噻唑-硫脲缀合物受到体外酪氨酸酶抑制和自由基清除活性的影响。大多数化合物的抑制作用比标准品显着提高;发现化合物(曲酸,IC 50 = 16.8320 ± 1.1600 µM)BT2,IC 50 = 1.3431 ± 0.0254 µM,是最好的抑制剂。Ki公开了一种非竞争性的BT2抑制模式值为 2.8 µM。为了研究酶-抑制剂相互作用,进行了SAR分析分子对接。硫脲的氨基与 Glu322 形成氢键,键长分别为 1.74 和 2.70 Å。此外,分别在苯并噻唑和His244和His263的苯环之间显示出π-π的耦合。这项研究的结果可能有助于开发新的黑色素生成抑制剂,这对化妆品和食品很重要。 由 Ramaswamy H. Sarma 交流