| 摘要 |
1,2,3,4-Tertrahydrobenz(g) isoquinoline derivs. (I; R1 = H, halogen, C1-4 alkoxy or alkyl, R2 = H, C1-4 alkyl, C3-6 alkenyl or alkynyl, C2-5 hydroxyalkyl, C3-5 alkanoylalkyl, C7-10 phenylalkyl, R3 = H, C1-4 alkyl, C7-10 phenylalkyl, R4 = H), useful as central nervous system depressants, were prepd. by treating Ia, Ib, Ic. Ia was prepd. by alkylating Ib, Ic was prepd. by reducing compd. II pd. II.
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