3-(Pyrrolidin-3-yl)-1,3,4-oxadiazol-2(3H)-one derivatives and their use as 5-HT4 ligands

摘要

Compounds corresponding to the general formula (I)in which R1 represents hydrogen or an alkyl or cycloalkylmethyl group, X1 represents hydrogen or a halogen or an alkoxy group, or alternatively OR1 and X1 together represent a group of formula -OCH2O-, -O(CH2)2-, -O(CH2)3-, -O(CH2)2O- or -O(CH2)3O-, X2 represents hydrogen, an amino group or a group of general formula -NHCO2R in which R represents an alkyl or phenylalkyl group, X3 represents hydrogen or a halogen, and R2 represents hydrogen or an alkyl, phenylalkyl or [(4-dimethylamino)piperid-1-ylcarbonyl]alkyl group. Therapeutic application.