| 摘要 |
3,4,4a,5,10,10a-Hexahydro-naphth[2,3-b -1,4-oxazines of formula (I) and their acid addn. salts are prepared. In (I), R1 and R2 each= H or C1-4 alkyl; R3 = hydroxy or C1-4 alkoxy; R4 = C1-4 alkylthio, C1-4 alkylsulfoxide, C1-4 alkylsulfone, Cl, Br, I or trifluoromethyl. (I) are useful as psychotropic agents and/or antidepressants.
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