| 摘要 |
Novel tricyclic compounds of the formula: <IMAGE> wherein A is -CH2-CH2-, -CH=CH- or <IMAGE> X is hydrogen, halogen, nitro, trifluoromethyl, C1-C3 alkyl or C1-C3 alkoxy, R1 and R2 are each hydrogen or C1-C4 alkyl and R3 is hydrogen, C1-C4 alkyl, C3-C5 alkenyl, C3-C5 alkynyl, C3-C6 cycloalkyl (C1-C3)alkyl, ar(C1-C3)alkyl, polyhalo(C1-C2)alkyl, C1-C4 alkoxy(C1-C3)alkyl or hydroxy(C1-C3)alkyl, and non-toxic salts thereof which are useful as antidepressants and can be prepared by reduction of a compound of the formula: <IMAGE> wherein A, X, R1, R2 and R3 are each as defined above.
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