New steroidal glycoside 1 was isolated by fractionating total extracted substances from Allium porrum. Its structure was determined as (25R)-5_-spirostane-3β,6β-diol-2,12-dione 3-O-β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→2)-[β-D-xylopyranosyl-(1→3)]-β-D-glucopyranosyl-(1→4)-β-Dgalactopyranoside} using chemical transformations, physical constants, and spectral data.
Furostane-Type Steroidal Saponin from Digitalis ciliata
作者:L. N. Gvazava、V. S. Kikoladze
DOI:10.1007/s10600-010-9579-4
日期:2010.5
A new furostane-typesteroidal glycoside and derivative of tigogenin (1) was isolated from aqueous wastes from production of the cardiac drug acetyldigitoxin from leaves of Digitalis ciliata Trautv. (Scrophulariaceae) and characterized. The structure of the glycoside was established using physical constants, chemical transformations, and spectral data as 3-O-β-D-glucopyranosyl-(1→3) [β-D-fucopyran