The structure of costusoside I and costusoside J have been established as 3-O-{β-d-glucopyranosyl(1→2)-α-l-rhamnopyranosyl(1→2)[α-l-rhamnopyranosyl(1→4)]-β-d-glucopyranosyl}-26-O-(β-d-glucopyranosyl)-22α-methoxy 25 R)-furost-5-en-3β,26-diol and its 22-hydroxy compound respectively, isolated fron the seeds of Costus speciosus.
Costus speciosus, Costaceae, furostanol saponin, 3-O-{β-d-glucopyranosyl(1→2)-α-l-rhamnopyranosyl(1→2)[α-l-rhamnopyranosyl(1→4)]-β-d-glucopyranosyl}-26-O-(β-d-glucopyranosyl)(25R)-furost-5-en-3β, 26-diol and its 22α-methoxy derivative
Publication DOI: 10.1016/0031-9422(82)80092-7Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Division of Medicinal Chemistry, Central Institute of Medicinal and Aromatic Plants, Lucknow, India
Methods: 1H NMR, IR, partial acid hydrolysis, TLC, enzymatic hydrolysis, acid hydrolysis, MS, permethylation, acetylation, CC, PC, Baeyer-Villiger oxidation