The present invention relates to a process for the preparation of sulphonamide-substituted imidazotriazinones of the general formula (I)
1
characterized in that compounds of the formula (II)
2
are reacted with sulphuric acid and the products obtained are then reacted with thionyl chloride and converted in situ in an inert solvent using an amine into the compounds according to the invention and, if appropriate, reacted to give the corresponding salts, hydrates or N-oxides.
本发明涉及一种制备通式(I)的
磺胺基取代
咪唑三嗪酮的方法,其特征在于将通式(II)的化合物与
硫酸反应,然后将得到的产物与
氯化硫酰反应,并在惰性溶剂中使用胺将其转化为本发明的化合物,并且如有必要,反应以得到相应的盐、
水合物或N-氧化物。