1-D and 2D-NMR assignments of nigricin from Iris imbricata

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(2005-10-01)
Ethanolic crude extract of I. imbricata Lindl. (Iridaceae) was subjected to column chromatography on silica gel with varying portions of MeOH: CHCl3. Nigicin (irisolone) was isolated and its identification carried out by IR, UV, MS, 1-D and 2-D NMR spectroscopy.
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