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Study on the Total Synthesis of 3-Oxo-9β-Acetoxyilicic Acid─The Synthesis of 9β-Acetoxy-3(4),11(13)-Dien-5αH,7αH-12-Eudesmanoic Acid Methyl Ester
摘    要:EudsmanetwCOInPOUnarewidlydistribUtedinthekingdomofplants.Becauseoftheirwide~ofbiologicalpropenies,~lyantif~cellgrowthinhiitoryandPlangrowthregUlatinactivihesl"'],eudesmandc~havbendIawinconsiderableattontion.IncounectionwithourlongtiIneffortinthesfi6ld.weareinteedintheSynthniOfanoveleudeSmanderivativ,3-oxo-99-aCetoWdcadd.,whichwasisofatalfrOmArtemiSiaPhaeolePisinl995tyTanetal'].ThCmoleculeisrathrmplexwithreSpeCttOstereochemsitry.Onthethen-carbonskeletonofthemolecule,therearefivcstCn…

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