| abstract |
Pyrrolo(2,3-f)benzimidazole derivs. of formula (I) and their tautomers and acid-addn. salts are new: R1=H, alkyl, alkenyl or cycloalkyl; R2=H, alkyl, alkenyl, CN or COQ; or R1+R2=alkylidene or cycloalkylidene; Q=OH, alkyl, alkoxy, NH2, mono- or dialkylamino o or NHNH2; T=O or S; R3=H, OH, SH, alkylthio, NH2, pyridylcarbonyl-amino, alkanoylamino, alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl or haloalkyl. |