CONDENSED IMIDAZOPYRIDINE DERIVATIVES

摘要

The present invention is directed to a compound of the formula: (see formula I) wherein R is an optionally substituted aryl group or an optionally substituted aromatic heterocycle group; ring A is a to 9 membered alicyclic group, in which one or more of the carbon atoms constituting said ring A may be replaced by O, S, SO, SO2 and/or NR1 (in which R1 means hydrogen, alkyl, esterified carboxy group, carbamoyl or acyl group) and/or said ring A may have an alkyl group as a substituent or its salt. The compounds of the present invention are useful as psychotropic agents, for example antianxiety agents, anaesthesia antagonistic agents or cerebral function activators.