A novel entry into 1-methyl- and 1-aryl-octahydropyrrolo[3,4-b]pyrroles and their N-1-C-2 fused derivatives: stereoselective synthesis via an intramolecular azomethine ylide cycloaddition reaction
Keywords: Azomethine ylide; Intramolecular; Cycloaddition; Pyrrolopyrrole; Stereoselective;