Phytochemistry p. 675 - 678 (1984)
Update date:2022-08-11
Topics:
Delgado, Guillermo
Alvarez, Laura
Vivar, Alfonso Romo De
The isolation is reported of the new natural products from Viguiera quinqueradiata, acetylleptocarpin and (2R,3S)-4'-hydroxy-3',5,7-tri-O-methyl-flavan-3-ol.The diterpenes 15α-angeloyloxy-ent-kaur-16-en-19-oic acid, 15α-tigloyloxy-ent-kaur-16-en-19-oic acid and the sesquiterpene lactones leptocarpin and budlein A were also found.Key Word Index - Viguiera quinqueradiata; Compositae; Heliantheae; sesquiterpene lactones; ent-kaurenoic acids; trans-flavan-3-ol.
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