Structure of the sesquiterpene lactone elegin
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From the epigeal part ofSaussurea elegans Ledeb. have been isolated the lactones chlorohyssopifolin B and elegin, C19H23O6Cl. On the basis of spectral characteristics and chemical transformations it has been established that elegin has the structure of 15-chloro-3,4-dihydroxy-8-methacryloyloxyguaia-10(14),11(13)-dien-6,12-olide.
KeywordsLactone Sesquiterpene Lactone Acyl Residue Naphthazarin Hexahydro
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