| abstract |
(57) Abstract: [PROBLEMS] To provide a substance having few side effects, which is used in the treatment of treatment of a disease involving a dopaminergic system. SOLUTION: The racemic or optical isomer of 5,6,7,8-tetrahydronaphtho represented by the formula I [2,3- b] Furan or indano [5,6-b] furan amine compound (Wherein, A-B is an CH = CH or CH 2 -CH 2; n is 0 or 1; and Y is - a linear or branched 2 to 10 carbon atoms Including alkenyl groups) or their addition salts with pharmacologically acceptable acids. |