Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
Isolation of 10-O-Acyl Iridoid Glucosides from a Philippine Medicinal Plant, Oldenlandia corymbosa L. (Rubiaceae)
Hideaki OTSUKAKayoko YOSHIMURAKazuo YAMASAKIMagdalena C. CANTORIA
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1991 Volume 39 Issue 8 Pages 2049-2052

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Abstract

From the aerial parts of Oldenlandia corymbosa, nine iridoid glucoside derivatives were isolated. On spectroscopic investigation, five known compounds were identified, that is, deacetyl asperuloside, asperuloside, asperulosidic acid, deacetyl asperulosidic acid and scandoside methyl ester. The structures of four new compounds were determined to be acylated derivatives of the known compounds, that is, 10-O-benzoyl deacetyl asperulosidic acid methyl ester, and 10-O-benzoyl, 10-O-p-hydroxybenzoyl, and 10-O-p-trans, cis-coumaroyl scandoside methyl esters.

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© The Pharmaceutical Society of Japan
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