Tetraisoquinoline compounds which have useful pharmaceutical utility

摘要

PCT No. PCT/EP92/02900 Sec. 371 Date Aug. 18, 1994 Sec. 102(e) Date Aug. 18, 1994 PCT Filed Dec. 12, 1992 PCT Pub. No. WO93/13073 PCT Pub. Date Jul. 8, 1993.Tetrahydroisoquinoline compounds of formula I <IMAGE> I and pharmaceutically acceptable salts and lipophilic ester thereof have utility as analgesics and in the treatment of psychoses, Parinson's disease, Lesch-Nyan syndrome, attention deficit disorder or cognitive impairment or in the relief of drug dependence or tardive dyskinesia.