| abstract |
Pyrrolealdehydes of the formula I <IMAGE> (I) wherein R and R1 independently of one another denote hydrogen or alkyl with 1 to 4 C atoms, R2 denotes alkyl, which is substituted by acylamino of the formula II <IMAGE> (II) wherein X stands for an oxygen or sulphur atom and R3 denotes hydrogen, optionally substituted alkyl or alkylamino, cycloalkyl with 5 to 7 C atoms, optionally substituted phenyl, an amino group or an optionally substituted phenylamio group, and pharmaceutically acceptable acid addition salts thereof, and wherein R3 cannot represent hydrogen if R and R1 denote hydrogen and the pyrrole ring is formylated in the 3-position, their preparation and their use. |