Patent ID: 8173669

Claim:
A compound of the formula (I): in which: R represents hydrogen, halogen, hydroxyl, (C 1 -C 6 )alkoxy, (C 3 -C 7 )cycloalkyl-O—, (C 3 -C 7 )cycloalkyl-(C 1 -C 3 )alkylene-O—, or a heterocycloalkyl, aryl or heteroaryl group; wherein said group is optionally substituted by one or more groups chosen from halogen, (C 1 -C 6 )alkyl, (C 3 -C 7 )cycloalkyl, (C 3 -C 7 )cycloalkyl-(C 1 -C 3 )alkylene, (C 1 -C 6 )alkoxy, (C 3 -C 7 )cycloalkyl-O—, (C 3 -C 7 )cycloalkyl-(C 1 -C 3 )alkylene-O—, (C 1 -C 6 )fluoroalkyl, (C 1 -C 6 )fluoroalkoxy, nitro, cyano, hydroxyl, amino, (C 1 -C 6 )alkylamino, di(C 1 -C 6 )alkylamino, heterocycloalkyl, aryl, aryl-(C 1 -C 6 )alkylene, heteroaryl, heteroaryl-(C 1 -C 6 )alkylene, aryl-O— or —C(O)—(C 1 -C 6 )alkyl groups, the heterocycloalkyl group optionally being substituted by —C(O)O(CH 3 ) 3 ; n represents 1; m represents 1; and o represents 1; or a salt thereof; and with the proviso that when n and o are 1 m is not 2; and the following compounds are excluded: 4-(6-fluoropyridin-3-yl)-1-azabicyclo[2.2.1]heptane; 4-(6-chloropyridin-3-yl)-1-azabicyclo[2.2.1]heptane; 4-(6-bromopyridin-3-yl)-1-azabicyclo[2.2.1]heptane; 4-(pyridin-3-yl)-1-azabicyclo[2.2.1]heptane.