Coumarins of Ferula kopetdaghensis and the structure of kopeolin and kopeoside
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Summary
The roots ofFerula kopetdaghensis Eug. Kor. have yielded five coumarins — umbelliferone and four new compounds (kopetin, kopeodin, kopeolin, and kopeoside).
On the basis of NMR, mass, and IR spectroscopy, derivatives, and transformation products, the structures of two of the new coumarins kopeolin and kopeoside have been established. It has been shown that kopeolin is a derivative of farnesiferol C and kopeoside is kopeolin 3-O-β-D-glucoside.
Keywords
Coumarin Hydroxy Group Acetic Anhydride Methine Proton Olefinic ProtonPreview
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© Plenum Publishing Corporation 1975