Heterocyclic compounds and their use

摘要

The present invention relates to therapeutically active compounds of the formula:wherein G is an azacyclic or azabicyclic ring system, W is oxygen or sulfur, r is 0, 1, or 2, and R is defined in the specification; and to methods of treatment using, and pharmaceutical compositions comprising, these compounds. The novel compounds are useful in treating diseases in the central nervous system caused by malfunctioning of the muscarinic cholinergic system.