Heteroaryl carboxamides
View Patent ↗The invention relates to novel heteroaryl carboxamides, a process for their preparation, and pharmaceutical compositions containing them. These materials are useful for the treatment and/or prophylaxis of diseases and for improving perception, concentration, learning and/or memory.
1. A compound of the formula (I):
in which
R 1 is 1-azabicyclo[2.2.2]oct-3-yl,
the ring A is pyridazino,
and
R 2 and R 3 are identical or different and are radicals selected from the group of hydrogen, halogen, formyl, carbamoyl, cyano, trifluoromethyl, trifluoromethoxy, nitro, (C 1 -C 6 )-alkyl , (C 1 -C 6 )-alkoxy, (C 1 -C 6 )-alkylthio, (C 3 -C 8 )-cycloalkyl, 4- to 8-membered heterocyclyl, phenyl or 5- to 6-membered heteroaryl, where phenyl and heteroaryl are optionally substituted by halogen, (C 1 -C 4 )-alkyl, (C 1 -C 4 )-alkoxy, amino, mono- or di-(C 1 -C 4 )-alkylamino, (C 1 -C 4 )-alkanoylamino or (C 1 -C 4 ) -alkanesulfonylamino;
or a salt thereof.