title: Facile synthesis of functionalized 4-aminopyridines.
abstract: The title compounds are readily available by ring transformation of nitropyrimidione with active methylene compounds in the presence of ammonium acetate.
mesh_terms: D015761:4-Aminopyridine / Q000031:analogs & derivatives* / Q000138:chemical synthesis
chemical_list: D015761:4-Aminopyridine