5,6-DIHYDROPHENANTHRIDIN-5-YL AS AN ACTIVATABLE PROTECTING GROUP OF CARBOXYLIC ACID - A DIRECT PREPARATION OF AMIDES FROM 5-ACYL-5,6-DIHYDROPHENANTHRIDINE

Article abstract of DOI:10.1246/cl.1982.991

Various amides are directly prepared from the protected carboxylic acids, 5-acyl-5,6-dihydrophenanthridines, by the reaction with primary amines in the presence of ceric pyridinium chloride and cupric oxide.