The extract of the leaves of Enhydra fluctuans gave, in addition to three known sesquiterpene lactones, two new chlorine containing melampolides. The structure and stereochemistry of the new compounds were elucidated by NMR techniques and chemical reactions.
The extract of the leaves of Enhydra fluctuans gave, in addition to three known sesquiterpene lactones, two new chlorine containing melampolides. The structure and stereochemistry of the new compounds were elucidated by NMR techniques and chemical reactions.