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  • Title: Novel cycloartane saponins from Corchorus depressus L.
    Author: Ahmad VU, Ali A, Ali Z, Zafar FN, Zahid M.
    Journal: Chem Pharm Bull (Tokyo); 2000 Nov; 48(11):1597-601. PubMed ID: 11086883.
    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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