A convenient synthesis of β-carbolines by iron-catalyzed aerobic decarboxylative/dehydrogenative aromatization of tetrahydro-β-carbolines under air. - Mohamad Arshad, Ahmad Saifuddin; Meesala, Ramu; Hanapi, Nur Aziah; Mordi, Mohd Nizam (Tetrahedron, 2021)