Scheme 2From: 4-Thiazolidinone coumarin derivatives as two-component NS2B/NS3 DENV flavivirus serine protease inhibitors: synthesis, molecular docking, biological evaluation and structure–activity relationship studiesSynthesis of thiazolidinone coumarin derivatives (SKYa–SKYg). Reagent and solvent: CH3COONa/ClCH2COOH, CH3COOH, refluxBack to article page