Verfahren zur Herstellung von Sulfonamid-substituierten Imidazotriazinonen

摘要

The invention relates to a method for producing sulfonamide-substituted imidazotriazinones of the general formula (I). The inventive method is characterized by reacting the compounds of formula (II) with sulfuric acid and then reacting the products obtained with thionylchloride and in situ in an inert solvent with an amine to give the compounds according to the invention or optionally the corresponding salts, hydrates or N-oxides.