Two pregnane ester glycosides from Pergularia pallida |
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| Authors: | Naveen K Khare Maheshwari P Khare Anakshi Khare |
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| Institution: | Department of Chemistry, University of Lucknow, Lucknow, India |
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| Abstract: | Two new pregnane ester glycosides designated as pallidine and pallidinine have been isolated from the dried twigs of Pergularia pallida. Chemical and spectroscopic evidences are consistent with the structure 12,20-di-O-benzoyl sarcostin-3-O-β-d-oleandroside and 12,20-di-O-benzoyl-sarcostin-3-O-β-d-cymaropyranosyl(1 → 4)-β-d-oleandropyranoside for pallidine and pallidinine respectively. |
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| Keywords: | Asclepiadaceae pallidine pallidinine steroid pregnane ester mono and diglycoside |
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