Phytochemistry p. 823 - 828 (1984)
Update date:2022-08-05
Topics:
Perez C., Ana L.
Colin V., Micaela Del C.
Guerrero R., Carlos
Luz Cruz R., Ma. De La
Vivar R., Alfonzo Romo De
A chemical investigation of Tithonia rotundifolia afforded seven new sesquiterpene lactones in addition to three known ones.The structures of the new compounds 3-acetyl-15-hydroxyleptocarpin, 15-hydroxyleptocarpin, and tirotundifolins A, B, C, D and E were established by spectroscopic and chemical means.Key Word Index - Tithonia rotundifolia; Compositae; Heliantheae; sesquiterpene lactones; heliangolides; eudesmanolides; 15-hydroxyleptocarpins; tirotundifolins.
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