2-thienylimidazo[2,1- beta ]benzothiazole-3-acetic acid derivatives, their preparation and their use

摘要

Compounds of the formula: <IMAGE> (I) in which R1 represents a hydroxy group, a C1-C4 alkoxy group or an amino group of general formula -NR4R5 in which R4 and R5 each represent, independently of each other, a hydrogen atom, a straight or branched C1-C4 alkyl group, an allyl group or a methoxyethyl group, or alternatively -NR4R5 represents a heterocycle containing 3 to 6 carbon atoms, Y represents a thienyl group optionally substituted by an alkyl group, and X represents a hydrogen or halogen atom, are useful as anticonvulsants and auxiolytics.