Abstract: A compound of the formula: ##STR1## wherein X.sup.1, X.sup.2, Y.sup.1 and Y.sup.2, whether or not identical are hydrogen, a halogen such as fluoro, chloro or bromo, linear or branched alkyl of 1 to 3 carbon atoms, linear or branched alkoxy of 1 to 3 carbon atoms, carboxy, alkoxy-carbonyl of 1 to 3 carbon atoms or phenyl;R.sup.1 is hydrogen, methyl or phenyl;R.sup.2 and R.sup.3, which may or may not be identical, are hydrogen, hydroxyl, linear or branched alkyl of 1 to 6 carbon atoms, or linear or branched alkoxy group of 1 to 4 carbon atoms;R.sup.1 and R.sup.2 may together form a carbon-carbon double bond; andR.sup.4 and R.sup.5 whether or not identical, are hydrogen, linear or branched alkyl or 1 to 3 carbon atoms.The compounds are useful as blocking agents of .alpha..sub.2 -adrenergic receptors.

Abstract: A glycinamide derivative of the general formula I: ##STR1## wherein: R is a linear or ramified alkyl group C.sub.5 -C.sub.18, a linear or ramified alkenyl group C.sub.5, C.sub.6, C.sub.7, C.sub.8, C.sub.9, C.sub.10, C.sub.11, C.sub.12, C.sub.13, C.sub.14, C.sub.15, C.sub.16, C.sub.17 or C.sub.18, a linear or ramified alkynyl group C.sub.4 -C.sub.10, a linear or ramified acyl group C.sub.4 -C.sub.18, a linear or ramified alkyl group C.sub.1 -C.sub.10, substituted by a phenoxy group, by a hydroxy radical, by an acetoxy radical, by a carboxy radical, by a linear or ramified alkoxycarbonyl group C.sub.1 -C.sub.4, by a carbonyl radical, by a carboxaldehyde group, by an acetal or cetal group, by one or more phenyl groups, by one or more phenyl groups substituted by a halogen atom such as fluorine, chlorine or bromine,R.sub.1 represents hydrogen, a linear or ramified alkyl group C.sub.1, C.sub.2, C.sub.3, C.sub.4, C.sub.5, C.sub.6, C.sub.7, C.sub.8, C.sub.9 or C.sub.10, a linear or ramified acyl group C.sub.1 -C.

Abstract: 2-Pentanoylaminoacetic acid and pharmaceutically suitable salts thereof are claimed for use as pharmaceuticals.The compounds are useful in producing an effect on the central nervous system, especially in the treatment of various forms of epilepsy, of disninesiae, of parkinsonism, of memory troubles, of psychic troubles and of cerebral anoxia.

Abstract: A derivative of benzimidazole of the general formula I: ##STR1## wherein: R.sub.1 represents a linear or ramified alkyl radical C.sub.1,C.sub.2,C.sub.3,C.sub.4,C.sub.5,C.sub.6,C.sub.7,C.sub.8,C.sub.9,C. sub.10,C.sub.11,C.sub.12,C.sub.13,C.sub.14,C.sub.15, C.sub.16,C.sub.17 or C.sub.18, a cycloalkyl radical C.sub.3,C.sub.4,C.sub.5,C.sub.6,C.sub.7 or C.sub.8, a linear or ramified alkyl radical C.sub.1,C.sub.2,C.sub.3,C.sub.4 or C.sub.5 substituted by one or more radicals selected from the group comprising:phenyl, phenoxy, phenylthio, phenylsufinyl radicals;phenyl, phenoxy, phenylthio, phenylsulfinyl radicals substituted by one or more linear or ramified alkyl radicals C.sub.1,C.sub.2, C.sub.3 or C.sub.4, by one or more linear or ramified alkoxy radicals C.sub.1,C.sub.2, C.sub.3 or C.sub.4, by a methylenedioxy radical, for one or more halogen atoms, such as fluorine, chlorine or bromine;linear or ramified alkylcarboxamido groups C.sub.1,C.sub.2,C.sub.3,C.sub.4,C.sub.5 or C.sub.