Journal of Asian Natural Products Research p. 231 - 239 (2014)
Update date:2022-08-17
Topics:
Chen, Chao
Gao, Wen
Cheng, Liang
Shao, Yan
Kong, De-Yun
Four new triterpenoid saponins (1-4) were isolated from the seed residue of Hippophae rhamnoides subsp. sinensis, named 3-O-[β-d-glucopyranosyl(1 → 2)-β-d-glucopyranosyl-(1 → 3)]-[α-l-rhamnopyranosyl-(1 → 2)]-α-l-arabinopyranosyl-13-ene-19-one-28-oic acid 28-O-β-d-glucopyranosyl ester (1), 3-O-[β-d-glucopyranosyl(1 → 2)-β-d-glucopyranosyl-(1 → 3)]-[α-l-rhamnopyranosyl-(1 → 2)]-α-l-arabinopyranosyl-13-ene-19-one-30-hydroxyolean-28-oic acid 28-O-β-d-glucopyranosyl ester (2), 3-O-[β-d-glucopyranosyl(1 → 2)-β-d-glucopyranosyl-(1 → 3)]-[α-l-rhamnopyranosyl-(1 → 2)]-β-d-glucopyranosyl-13-ene-19-one-28-oic acid 28-O-β-d- glucopyranosyl ester (3), and 3-O-[β-d-glucopyranosyl(1 → 2)-β-d-glucopyranosyl-(1 → 3)]-[α-l-rhamnopyranosyl-(1 → 2)]-β-d-glucopyranosyl-13-ene-19-one-30-hydroxyolean-28-oic acid 28-O-β-d-glucopyranosyl ester (4), and their structures were elucidated on the basis of spectroscopic and chemical methods.
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