| abstract |
The present invention relates to novel pyridazinone derivatives of the general formula (I), wherein A is A1 or A2; O A1= ~,N~R A2= NH R H O R is unsubstituted or at least monosubstituted C1-C10-alkyl, aryl, aryl (C1-C10-alkyl)-, heteroaryl, heteroaryl-(C1-C10-alkyl)-, heterocyclyl, heterocyclyl-(C1,-C10-alkyl)-, C3-C10-cycloalkyl, polycycloalkyl, C2-Cio alkenyl or C2-C10-alkinyl and Ar is unsubstituted or at least monosubstituted aryl or heteroaryl. |