Synthesis of bridgehead-substituted azabicyclo[2.2.1]heptane and -[3.3.1]nonane derivatives for the elaboration of α7 nicotinic ligands.

Azabicyclo[2.2.1]heptane and -[3.

Synthesis of new bridgehead substituted azabicyclo-[2.2.1]heptane and -[3.3.1]nonane derivatives as potent and selective α7 nicotinic ligands.

New azabicyclo[2.2.1]heptane and -[3.