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Xylogranatin E, a New Phragmalin with a Rare Oxygen Bridge between C1 and C29, from the Fruit of a Chinese Mangrove Xylocarpus granatum
- Wu, Jun, Ding, Haixin, Li, Minyi, Zhang, Si
- Zeitschrift für Naturforschung 2014 v.62 no.4 pp. 569-572
- Xylocarpus granatum, nuclear magnetic resonance spectroscopy, oxygen, spectral analysis
- Xylogranatin E, the second phragmalin with a rare oxygen bridge between C₁ and C₂₉ found in nature, was isolated from the fruit of a Chinese mangrove, Xylocarpus granatum. Its structure was determined by spectroscopic analysis. Complete assignment of ¹H and ¹³C NMR data of xylogranatin E was achieved by 2D NMR techniques, including ¹H-¹H COSY, HSQC, HMBC and NOESY spectra.