1201187-46-3

5-[(4-Methylphenyl)sulfonyl]-5H-Pyrrolo[2,3-b]pyrazin-2-amine functions as a reagent in the ligand-controlled and iridium-catalyzed preparation of imidazo[1,2-a]pyrrolo[2,3-e]pyrazines or β-keto amines via reaction of sulfoxonium ylides with 2-amino heterocycles.