| abstract |
Thienocinnoline compounds represented by general formula (I) (wherein R represents hydrogen, halogen or lower alkyl, Ar represents aryl, heteroaryl, or aryl or heteroaryl having at least one substituent selected from the group consisting of halogen, lower alkyl, lower alkoxy, nitro, amino, hydroxy, trifluoromethyl and lower alkanoylamino, and ----- between 5a-position and 6-position represents either a single or a double bond) useful as anti-anxious agents, amnesia treating agents, brain function activating agents, anti-dement agents or bioprotection accelerating agents. |