| abstract |
The invention provides compounds of Formula (I): (F) Formula (I) wherein m1 is 0 or 1; m2 is 1 or 2; R¿1? is-H, alkyl, halogenated alkyl, substituted alkyl, cycloakyl, or phenyl; R2 is -H, alkyl, halogenated alkyl, substituted alkyl, cycloalkyl, or phenyl, provided that when m?1¿ is 1 at least one of R¿1? and R2 is -H; or a pharmaceutically acceptable salt, pharmaceutical composition, a pure enantiomer or racemic mixture thereof. The invention also provides a method for treating a disease or condition in a mammal, wherein the ≡7 nicotinic acetylcholine receptor is implicated and for treating diseases where there is a sensory-gating deficit in a mammal comprising administering to a mammal a therapeutically effective amount of a compound of Formula (I). These compounds may be in the form of phamaceutical salts or compositions, and may be in pure enantiomeric form or may be racemic mixtures. |