Abstract: Novel indole-derived azylpiperazines of general formula (I), wherein, inter alia, R.sub.1 is NH.sub.2 or NO.sub.2, R'.sub.1, R.sub.2, R'.sub.2, R.sub.3 and R.sub.4 are H, Z is --C-- and X is 0. Methods for preparing such derivatives and the therapeutical uses thereof are also disclosed.

Abstract: The present invention relates to compounds having the formula: ##STR1## wherein R.sub.1 is a hydrogen atom, a linear or branched alkyl radical or a phenyl, benzyl, cycloalkyl, polycycloalkyl, dibenzocycloalkyl, dibenzooxepine, dibenzoazepine, dibenzothiepine, benzopyrrolocycloalkyl, benzothienocycloalkyl or naphthyl radical, optionally substituted by one or a number of substituents chosen from halogen atoms and alkyl, aryl acyl, alkoxy and alkyl thio radicals.Z is C.dbd.O, SO.sub.2 or (CH.sub.2).sub.n in which n is between 1 and 5.R.sub.2 is a hydrogen atom, a linear or branched alkyl radical or a phenyl, benzyl, cycloalkyl, pyrrole, furan, pyridinyl or thiophenyl radical, optionally substituted by one or a number of substituents chosen from halogen atoms and alkyl, aryl, acyl, alkoxy and alkylthio radicals.R'.sub.2 is a hydrogen atom, a linear or branched alkyl radical or a phenyl radical.R.sub.3 is a hydrogen atom, a linear or branched alkyl radical or a benzyl or phenethyl radical.R.sub.