| 摘要 |
Dibenzopyran derivs.[I , useful as antihypertensive, antidepressant, tranquilizer, and analgesic, were prepd. by reducing hexahydrodibenzo (b, d) pyran-9-one(II). In I and II, R2 = H or C1-4 alkanoy1, R1 = C4-10 n-alky1 or [CH3R3R4 group R3 = C1-7 alky1 or C2-7 alkeny1, R4 = H or methy1 , R = H or CH3.
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