Three new steroidal sapogenins derived from the roots of Cynanchum otophyllum and their cytotoxic activities
Abstract
Three new steroidal sapogenins, 3β,8β,14β-trihydroxycarda-5,20(22)-dienolide (1), (20R)-12β,20-epoxy-3β,8β,14β-trihydroxy-17α-pregn-5-en-17-yl 4-hydroxy-3-methoxybenzoate (2), and 3,20-dioxo-8β,14β,17β-trihydroxy-17α-pregn-5-en-12β-yl 4-hydroxybenzoate (3), along with four known C21-steroidal sapogenins (4-7) were isolated from the hydrolysate of Cynanchum otophyllum roots. Among them, compound 1 harbouring a rare β-OH at the C-8 position in the...
Paper Details
Title
Three new steroidal sapogenins derived from the roots of Cynanchum otophyllum and their cytotoxic activities
Published Date
Oct 1, 2021
Journal
Volume
45
Pages
105 - 109
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