Azabicyclo?á3.1.0?å hexane derivatives useful as modulators of dopamine D3 receptors

摘要

The present invention relates to novel compounds of formula (I) or a pharmaceutically acceptable salt thereof:
wherein
€¢ G is phenyl and (R 1 ) p is 4-trifluoromethyl;
€¢ R 2 is hydrogen;
€¢ R 3 is methyl;
€¢ R 4 is 4-pyridazinyl;
processes for their preparation, intermediates used in these processes, pharmaceutical compositions containing them and their use in therapy, as modulators of dopamine D 3 receptors, e.g. to treat drug dependency or as antipsychotic agents.