The structure of britannin — A sesquiterpene lactone from Inula britannica

  title={The structure of britannin — A sesquiterpene lactone from Inula britannica},
  author={P. V. Chugunov and V. I. Sheichenko and A. I. Ban'kovskii and K. S. Rybalko},
  journal={Chemistry of Natural Compounds},
SummaryFrom the epigeal part ofInula britannica L. a new sesquiterpene lactone has been obtained — britannin, with the composition C19H26O7, mp 192–194°C (from ethanol). [α]D20–26° (c 5.0; chloroform). Structure (I) has been proposed for it. 

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