FUSED QUINOLINE DERIVATIVE AND USE THEREOF

摘要

Use of a compound represented by the formula (I)
wherein
R 1 is (1) unsubstituted, (2) a hydrogen atom, (3) a hydrocarbon group optionally having substituent(s) or (4) acyl;
R 2 is (1) a hydrogen atom, (2) a hydrocarbon group optionally having substituent(s), (3) hydroxy optionally having a substituent, (4) amino optionally having substituent(s), (5) thiol optionally having a substituent, (6) a heterocyclic group optionally having substituent(s) or (7) acyl;
R 3 is (1) unsubstituted, (2) a hydrogen atom, (3) a hydrocarbon group optionally having substituent(s), (4) hydroxy optionally having a substituent, (5) amino optionally havingsubstituent(s), (6) thiol optionally having a substituent or (7) acyl;
R 4 and R 5 are the same or different and each is (1) a hydrogen atom, (2) a hydrocarbon group optionally having substituent (s) , (3) hydroxyoptionallyhavingasubstituent, (4) amino optionally having substituent (s), (5) thiol optionally having a substituent or (6) acyl;
R 6 is (1) (cyclic group optionally having substituent(s))-carbonyl, (2) alkenylcarbonyl optionally having substituent (s), (3) alkylcarbonyl having substituent (s) selected from (i) cycloalkyl optionally having substituent (s), (ii) amino optionally having substituent(s) and (iii) a heterocyclic group optionally having substituent(s) or (4) a heterocyclic group optionally having substituent(s);
R 7 , R 8 , R 9 and R 10 are the same or different and each is (1) a hydrogen atom, (2) halogen, (3) cyano, (4) nitro, (5) a hydrocarbon group optionally having substituent(s), (6) hydroxy optionally having a substituent, (7) amino optionally having substituent(s), (8) thiol optionally having a substituent, (9) a heterocyclic group optionally having substituent(s) or (10) acyl; or
R 7 and R 8 , R 8 and R 9 , and R 9 and R 10 may form a ring together with the adjacent carbon atoms;
n is an integer of 1 to 5;
--- represents unsubstituted or a single bond; and; --- represents a single bond or a double bond, or a salt thereof, for the production of an agent for the prophylaxis or treatment of melancholia.