| 摘要 |
Title compds. (I; R1 forms double bond with acetoxy or R3; R2 forms with acetoxy or R3; R3 forms with R1 or R2 respectively) were prepd. by reactions of norpinone enol-acetate (II) with lead tetraacetate in the presence of inert org. solvent. Thus, (-)-norpinoneenolacetate 18.0g reacted with lead tetraacetate 48.8g to give (-)-6,6-dimethyl-2,4-diacetoxy -2-norpinene 9.3g. I had antidepressant and antianxiety activity.
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