Heteroaryl carboxamides

摘要

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.

主权项

1. A compound of the formula (I): in which R1 is 1-azabicyclo[2.2.2]oct-3-yl, the ring A is pyridazino, and R2 and R3 are identical or different and are radicals selected from the group of hydrogen, halogen, formyl, carbamoyl, cyano, trifluoromethyl, trifluoromethoxy, nitro, (C1-C6)-alkyl , (C1-C6)-alkoxy, (C1-C6)-alkylthio, (C3-C8)-cycloalkyl, 4- to 8-membered heterocyclyl, phenyl or 5- to 6-membered heteroaryl, where phenyl and heteroaryl are optionally substituted by halogen, (C1-C4)-alkyl, (C1-C4)-alkoxy, amino, mono- or di-(C1-C4)-alkylamino, (C1-C4)-alkanoylamino or (C1-C4) -alkanesulfonylamino; or a salt thereof.