Phytochemistry 1994-Nov
Glycosides of 19-formylthevetiogenin and 5 alpha-thevetiogenin from Thevetia neriifolia.
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Keywords
Abstract
C-nor-D-homo-homologues of cannogenin and uzarigenin glycosides were isolated along with known cardenolide glycosides from the frozen fresh leaves of Thevetia neriifolia. A bisdesmosidic tetraoside of 3 beta,14,21-trihydroxy-5 beta,14 beta-pregnan-20-one was also obtained from the polar fraction and the structure established.