发明名称 |
PROCESS FOR THE PREPARATION OF SULPHONAMIDE-SUBSTITUTED IMIDAZOTRIAZINONES |
摘要 |
The present invention relates to a process for the preparation of sulphonamide--substituted imidazotriazinones of the general formula (I) (see formula I) characterized in that compounds of the formula (II) (see 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 in to the compounds according to the invention and, if appropriate, reacted to give th e corresponding salts, hydrates or N-oxides.
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申请公布号 |
CA2431933(C) |
申请公布日期 |
2009.12.01 |
申请号 |
CA20012431933 |
申请日期 |
2001.12.05 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
HEILMANN, WERNER;GEHRING, REINHOLD;WAHL, KARL-HEINZ;NOWAKOWSKI, MARC |
分类号 |
C07D487/04;C07D235/00;C07D253/00 |
主分类号 |
C07D487/04 |
代理机构 |
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地址 |
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