Steroidal glycosides of gitogenin from Allium rotundum |
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| Authors: | M R Maisashvili Dzh K Kuchukhidze V S Kikoladze L N Gvazava |
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| Institution: | (1) Tbilisi State Medical University, 0108 Tbilisi, Ul. G. Akhvlediani, 22, Georgia;(2) P. Melikishvili Institute of Physical and Organic Chemistry, 0186 Tbilisi, Ul. Dzhikia, 5, Georgia;(3) I. Kutateladze Institute of Pharmaceutical Chemistry, 0159 Tbilisi, Georgia; |
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| Abstract: | Two new steroidal glycosides were isolated by fractionation of total extracted substances from inflorescences and flower stalks
of Allium rotundum (Alliaceae). The structures were determined on the basis of chemical transformations, physical constants,
and spectral data as 26-O-β-D-glucopyranosyl-(25R)-5α-furostan2α,3β,22α,26-tetraol 3-O-β-D-glucopyranosyl-(1 → 2)β-D-xylopyranosyl-(1 → 3)]-β-D-glucopyranosyl(1 → 4)-β-D-galactopyranoside (2) and (25R)-5α-spirostan-2α,3β-diol 3-O-β-D-glucopyranosyl-(1 → 3)-βD-glucopyranosyl-(1 → 2)-β-D-xylopyranosyl-(1 → 3)]-β-D-glucopyranosyl-(1 → 4)-β-D-galactopyranoside (3). |
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