A compound of the formula I: <IMAGE> I in which Y is hydrogen, halogen or alkoxy; R is hydrogen or alkylthio; R1 is hydrogen or alkyl; X is hydrogen, halogen, alkoxy, alkyl or phenyl; n is one of the integers 1, 2, 3 or 4; or a pharmaceutically acceptable salt thereof are inhibitors of dopamine synthesis and release, useful in the treatment of schizophrenia, Parkinson's Disease, Tourette's Syndrome, alcohol addiction, cocaine addiction, and addiction to analogous drugs.
4-Aminoethoxy indolone derivatives