: “PREPARATION OF SULPHONAMIDE-SUBSTITUTED IMIDOTRIAZINONES”
Application 1458/del/2004 published 2006-07-21, filed 2004-08-06
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.
Applicant
BAYER HEALTHCARE AG
D-51368, LEVERKUSEN, GERMANY
Inventor
MARC NOWAKOWSKI REINHOLD GEHRING WERNER HEILMANN KARL-HEINZ WAHL
International Info
Classification: A 01 N 43/62
Priority Information
100 63 108.8 GERMANY 2000-12-18