Journal of Natural Products 2007-May
Sulfur-containing spiroketal glycosides from Breynia fruticosa.
Solo gli utenti registrati possono tradurre articoli
Entra registrati
Il collegamento viene salvato negli appunti
Parole chiave
Astratto
Phytochemical investigation of the chemical constituents of the aerial parts of Breynia fruticosa afforded 10 sulfur-containing spiroketal glycosides, including eight new compounds (1-8) and two known compounds, epibreynin B (9) and breynin B (10). Epibreynin B (9) was previously reported as a semisynthetic oxidation product of breynin A and is now reported from a natural source for the first time. The structures of 1-10 were determined on the basis of spectroscopic and chemical methods.