| 摘要 |
Muscle relaxant tetrahydroisoquinolines (I; R1,R2 = H or lower alkyl ; R3 = alkenyloxy, mercapto, lower alkylthio, sulfamoyl, mono- or disubstituted Ph or heterocyclic group ; R4,R5 = hydroxy or protected hydroxy ; X = -O- or -S-), were prepd. by cyclization of penethylamines (II) with aldehydes (III) or their active derivs.
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