Fontanesioside and 5-hydroxysecologanol from Fontanesia phillyreoides
1994
Damtoft, S. | Franzyk, H. | Jensen, S.R.
The iridoid content of Fontanesia phillyreoides was investigated by reverse phase chromatography of the ethanolic extract of the aerial parts. Five known iridoid compounds, i.e. loganic acid, secologanoside, secologanic acid, secologanol and swertiamarin, besides verbascoside were isolated. In addition, two novel secoiridoids, named 5-hydroxysecologanol and fontanesioside, were isolated and characterized. Their structures were determined by NMR spectroscopy and by chemical evidence.
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