• ;Reactant for preparation of keto-indoles as novel indoleamine 2,3-dioxygenase (IDO) inhibitors1• ;Reactant for synthesis of fenbufen and ethacrynic acid derivatives as potential antitumor agents via amide coupling reactions2• ;Reactant for diastereoselective synthesis of vinylated heterocycles via ruthenium-catalyzed oxidative vinylation with alkenes3• ;Reactant for synthesis of 2,3-dihalo indoles via hypervalent iodine mediated decarboxylative halogenation4• ;Reactant for preparation of α-ketoamides as cathepsin S inhibitors with potential applications ag