Structure of a steroid saponin from Digitalis ciliata |
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| Authors: | L. N. Gvazava V. S. Kikoladze |
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| Affiliation: | (1) I. Kutateladze Institute of Pharmaceutical Chemistry, 0159 Tbilisi, ul. P. Sarajishvili, 36;(2) P. Melikishvili Institute of Physical and Organic Chemistry, 0186 Tbilisi, ul. Jikia, 5 |
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| Abstract: | A new steroid glycoside was isolated from leaves of Digitalis ciliata (Scrophulariaceae) by fractionation of the total extracted substances. Its structure was determined as (25R)-5α-spirostan-3β-ol 3-O-β-D-glucopyranosyl-(1→3)[β-D-fucopyranosyl-(1→2)]-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside based on chemical transformations, physical constants, and spectral data. __________ Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 135–137, March–April, 2007. |
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| Keywords: | Digitalis ciliata Scrophulariaceae steroid glycoside spirostane tigogenin |
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