Patent Document ID: 9433614
Application ID: 14633985
Patent Flag: 1

Claim One:
1. A method of treating a cognitive impairment in a patient in need thereof, comprising administering to the patient a compound represented by formula (I) in which R 1 is 1-azabicyclo[2.2.2]oct-3-yl optionally substituted by (C 1 -C 6 )-alkyl, A is methylene or ethylene, R 2 is benzothiophenyl optionally substituted by radicals selected from the group of halogen, formyl, —CO—NR 4 R 5 , —CO—OR 6 , —NR 7 R 8 , —NR 9 —CO—R 10 , cyano, trifluoromethyl, trifluoromethoxy, nitro, optionally hydroxyl-, amino-, —NH—CO—R 11 — or cyano-substituted (C 1 -C 6 )-alkyl, (C 1 -C 6 )-alkoxy, (C 1 -C 6 )-alkylthio, in which R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 and R 11 are independently of one another hydrogen, (C 1 -C 6 )-alkyl, phenyl or benzyl, and R 3 is hydrogen or (C 1 -C 6 )-alkyl, or a salt thereof.