- A new pregnane glycoside and oligosaccharide from Parabarium huaitingii.
A new pregnane glycoside and oligosaccharide from Parabarium huaitingii.
Journal of Asian natural products research (2011-10-20)
Ting Lei, Lei Zhang, Hai-Yan Jiang, Ying Hu, Ai-Hua Hong, Ying-Zhou Cen
PMID22007659
ABSTRACT
Two new compounds, along with two known compounds, were isolated from the barks of Parabarium huaitingii, and their structures were determined as 5α-pregn-6-ene-3β,17α,20(S)-triol-20-O-β-d-digitoxopyranoside (1), cymaropyranurolactone 4-O-β-d-digitalopyranosyl-(1 → 4)-O-β-d-cymaropyranosyl-(1 → 4)-O-β-d-oleandropyranosyl-(1 → 4)-O-β-d-cymaropyranoside (2), 3β,17α,20(S)-trihydroxy-5α-pregn-6-ene (3), and 5α-pregn-6-ene-3β,17α,20(S)-triol-3-O-β-d-digitalopyranoside (4) by spectroscopic methods.
MATERIALS