Studies on Pyrimidine-Annelated Heterocycles; 8.1Intramolecular Cycloaddition of Thiophene and Nitrile Oxide or Nitrone Groups Bonded to 1,3-Dimethyluracils
Studies on Pyrimidine-Annelated Heterocycles; 8.1Intramolecular Cycloaddition of Thiophene and Nitrile Oxide or Nitrone Groups Bonded to 1,3-Dimethyluracils