NEW TRITERPENOID SAPONINS FROM STENOCEREUS ERUCA

[摘要]：Eight new triterpenoid saponins, stellatosides C (1), D (2), and E (3), stellatoside B methyl ester (4), stellatoside C methyl ester (5), thurberoside A (6), phillyriside A (7), and treleaseside A (8) were isolated from Stenocereus eruca A. C. Gibson & K. E. Horak (Machaerocereus eruca Br. & R.). The structures of these compounds were elucidated on the basis of spectroscopic evidence and their physicochemical properties.

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