| abstract |
New compounds of general formula I, including all possible stereoisomers, are described <CHEM> wherein: R is hydrogen, alkyl, aminoalkyl, halogenalkyl, aralkyl, cycloalkyl, cycloalkylalkyl, alkoxy, phenyl or substituted phenyl or pyridyl group. A process for their preparation consists of reaction of compound II <CHEM> with an acylating agent. The compounds have valuable pharmaceutical properties in the treatment of some central nervous system disorders. |