| abstract |
The invention relates to compounds of formula (I) as well as their neurocenic enantiomers, their acid salts, their hydrates or their solvates. Among a large number of possible meanings, X represents halogen, Y represents an oxygen atom, Z represents a methylene group or a CH-CH 3 group; all the coefficients m, n, r and s have the value 1, R represents a methyl and R 'a cycloalkyl. The invention also includes processes for preparing the above compounds and pharmaceutical compositions comprising them. |