| 摘 要： | Pyronesareimportantintermediatesofpesticidesandpharmaceuticals'.Recentlythebiologicalactivitiesofpyronederivativeshavedrawngreatinterest,butfewliteraturesonthebiologicalactivitiesof0-keto-8-valerolactonederivativeswerereported.The3positionof0-keto-5-valerolactonesisparticularlyreactive,acylationcantakeplaceinthisposition'-'.Herewereportanewcondensationreactionof6-keto-5-valerolactone,bymeansofwhichnewcarbon-carbondoublebondwasformedandaserisofnewanilinomethylenecompoundswereobtained.Synthesiso…
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