MARC NOWAKOWSKI,REINHOLD GEHRING,WERNER HEILMANN,KARL-HEINZ WAHL
申请号:
BR0116227
公开号:
BR0116227B1
申请日:
2001.12.05
申请国别(地区):
BR
年份:
2014
代理人:
摘要:
The present invention relates to a process for the preparation of sulphonamide-substituted imidazotriazinones of the general formula (I)characterized in that compounds of the formula (II)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.