From the roots of Patrinia scabra two new iridoids, 3-methylbutyric acid 7-hydroxy-7-hydroxymethyl-4-(3-methyl-butyryloxymethyl)-6-oxo-1,6,7,7a-tetrahydrocyclopenta[c]pyran-1-yl ester (1) and 6-hydroxy-7-methylhexahydrocyclopenta[c]pyran-3-one (2) have been isolated. Their structures were determined by means of NMR spectra and X-ray crystallographic analysis.
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| http://dx.doi.org/10.1080/10286020310001595953 | DOI Listing |
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