Synthesis of 1,3,7,9-tetramethyl-2,4,6,8-tetraoxo-1,2,3,4,6,7,8,9-octahydropyrido[2,3-d:6,5-d']-dipyrimidine from 6-amino-1,3-dimethyluracil and dimethyl sulfoxide.
D002625:Chemistry, Organic; D004121:Dimethyl Sulfoxide; D055601:Organic Chemistry Phenomena; D011743:Pyrimidines; D014498:Uracil
D011743:Pyrimidines; D014498:Uracil; D004121:Dimethyl Sulfoxide