New piperidinyl-alkylamino-pyridazinone derivatives, a process for the preparation thereof and pharmaceutical compositions containing said compounds

摘要

The invention relates to new piperidinyl-alkylamino-pyridazinone derivatives of the general Formula (I) (wherein R is hydrogen or C_1-4-alkyl; one of X and Y stands for hydrogen and the other represents a group of the general Formula (II) Hal stands for halogen; and n is 1 or 2) and pharmaceutically acceptable acid addition salts thereof a process for the preparation thereof and pharmaceutical compositions comprising said compounds. The compounds of the general Formula I exhibit anxiolytic effect and are useful in the treatment of anxiety.