Virginianoside A, a new steroidal alkaloid saponin from Solanum virginianum: Isolation, structure elucidation and antiadipogenic activity
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A previously unreported 16β-H spirosolane saponin, virginianoside A (1), along with three known compounds; diosgenin (2), solasodine (3), and prosapogenin B (4) were isolated from the whole plant of Solanum virginianum. The rare 16β-H configuration of 1 was ... ...
