Abstract: The invention related to 2-naphthamide derivatives, in the form of bases or of salts, corresponding to the following general formula (I): ##STR1## in which: the Z--Y entity represents an N--CH.sub.2, C.dbd.CH or CH--CH.sub.2 group;R.sup.1 represents a hydrogen, fluorine, bromine or iodine atom or a hydroxyl, methoxy, nitrile or nitro group;R.sup.2 represents a hydrogen or bromine atom or a hydroxyl, methoxy, nitrile or nitro group;the R.sub.1 and R.sup.2 substituents both being situated on the same ring of the naphthamide unit or each being situated on one of the rings;R.sup.3 and R.sup.4 can be identical or different and each independently represent a hydrogen or chlorine atom or a methoxy or methyl group or an electron-withdrawing group.The invention also relates to their therapeutic applications as partial agonists of the dopamine D.sub.3 receptor.The invention applies more particularly to the treatment of neuropsychiatric conditions involving the dopamine D.sub.