Stereoselective Synthesis of Highly Functionalized Aminobenzothiazole-Fused Spirooxindole Derivatives: in silico and in vitro Anti-Diabetic Studies
作者:Sivan Velmathi、Narayanasamy Nivetha、Shashank M. Patil、Ramith Ramu、Swamy Sreenivasa
DOI:10.1055/a-2161-0283
日期:2023.12
A series of highly functionalized spirooxindole pyrrolizidine/pyrrolothiazole derivatives have been synthesized by the three-component 1,3-dipolar cycloaddition reaction of benzothiazolyl amides with isatin-based azomethine ylides. The pharmacologically significant spirooxindole derivatives bearing one quaternary carbon and four stereocenters were obtained in excellent yields (up to 93%). The compounds
通过苯并噻唑基酰胺与靛红基甲亚碱叶立德的三组分1,3-偶极环加成反应,合成了一系列高功能化的螺吲哚吡咯里西啶/吡咯并噻唑衍生物。以优异的收率(高达 93%)获得了具有药理学意义的带有 1 个季碳和 4 个立构中心的螺吲哚衍生物。筛选了这些化合物针对两种酶(α-葡萄糖苷酶和α-淀粉酶)的抗糖尿病活性。结果显示出对这些酶的有效抑制活性,特别是 N-(苯并[d]噻唑-2-基)-5-氟-2-氧代-7'-苯基-1',6',7',7a'-四氢-3'H-螺[二氢吲哚-3,5'-吡咯并[1,2-c]噻唑]-6'-甲酰胺(6b),与标准阿卡波糖相比显示出优异的活性。针对受体的分子对接显示合成的化合物以与阿卡波糖类似的方式具有良好的相互作用。此外,螺吲哚吡咯噻唑 (6b) 的对接结果表明该化合物与受体有很强的结合相互作用。此外,还进行了分子动力学模拟,并证实了螺吲哚吡咯噻唑 (6b) 在酶活性口袋中的稳定性超过