AZA SPIRO COMPOUNDS AND COMPOSITION ACTING ON THE CHOLINERGIC SYSTEM WITH MUSCARINIC AGONIST ACTIVITY

摘要

The invention relates to spiro compounds having central and peripheral nervous system activity, for example muscarinic agonist activity, having formulas wherein their pharmaceutically acceptable salts, quaternary compounds which are structurally derived said compounds having a tertiary nitrogen atom, enantiomers and racemates, wherein A together with the spiro-carbon atom constitutes a bridged or unbridged ring containing one or two ring nitrogen atoms, and the value of each of the other symbols in the formulae is defined. 10 claims