Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Studies on Chemical Constituents of Antitumor Fraction from Periploca sepium. V. Structures of New Pregnane Glycosides, Periplocosides J, K, F and O
HIDEJI ITOKAWA, JUNPING XU, KOICHI TAKEYA
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Keywords: Periploca sepium, Asclepiadaceae, pregnane glycoside, 3, 7-dideoxy-4-O-methyl-D-gluco-2-heptulose, 2D-NMR, periplocoside
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1988 Volume 36 Issue 11 Pages 4441-4446

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Abstract

Four new pregnane glycosides, named periplocosides J, K, F and O, have been isolated from the antitumor fraction of Periploca sepium (Asclepiadaceae). Their structures were established by various nuclear magnetic resonance techniques and chemical evidence.

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