| abstract |
Described are compounds of Formula (I), pharmaceutically acceptable acid addition salts thereof, and stereochemically isomeric forms thereof, wherein the dotted line is optionally a bond; X is oxygen or sulfur; -A- is a divalent group; R 1 and R 2 each independently represent hydrogen, halo, or C 1-6 alkyl, R 3 and R 4 each independently represent hydrogen, halo, C 1-6 alkyl, or C 1-6 alkoxy, R 5 is an imidazolyl group substituted with hydrogen or C 1-6 alkyl; R6 is hydrogen, hydroxy, halo. Further described is a process for their preparation, pharmaceutical compositions containing them, and their use in medicine |