| 摘要 |
Tricyclic benzazepines having general formula (I) wherein A together with the .alpha.- and .beta.-marked carbon atoms is a cyclopentene, cyclohexene, furan, dihydrofuran, pyran, dihydropyran, thiophene, oxazole, pyrrole pyrroline, tetrahydropyridine or dioxole ring, R1 is H or alkyl, R2 and R3 independently an H, alkoxy, halogen, nitro, cyano or hydroxy, or R2 and R3 together may form a furan, dihydrofuran, cyclopentene or dioxole ring and R4 is H, alkoxy, nitro, cyano, hydroxy or halogen, or a pharmaceutically acceptable salt thereof, are useful in treatment of certain disorders in the central nervous system, e.g., psychosis, pain, depression, sleep disturbance s, dyskinesia, Parkinson's disease, stroke.
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