Novel cycloartane saponins from Corchorus depressus L |
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| Authors: | Ahmad V U Ali A Ali Z Zafar F N Zahid M |
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| Affiliation: | International Center for Chemical Sciences, HEJ Research Institute of Chemistry University of Karachi, Pakistan. viqar@khi.comsats.net.pk |
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| Abstract: | Two novel bidesmosidic cycloartane-type glycosides, depressosides C and D were isolated from Corchorus depressus L. Their structures were elucidated as (22R)-16beta,22-epoxy-3beta,26-dihydroxy-9,19-cyclolanost-++ +24E-ene 3, 26-di-O-beta-D-glucopyranoside and (22R,24S)-22,25-epoxy-3beta,16beta,24-trihydroxy-9,19-cyclolano stane 3, 24-di-O-beta-glucopyranoside, respectively on the basis of chemical evidence and detailed spectroscopic studies. |
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