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A Rare Threono-1,4-Lactone Containing Flavone Glycoside from Cassia nomame
- Syed, Ahmed Shah, Akram, Muhammad, Bae, Ok-Nam, Kim, Chul Young
- Chemistry of natural compounds 2019 v.55 no.1 pp. 8-10
- Chamaecrista dimidiata, butanol, flavones, glycosides, moieties, nuclear magnetic resonance spectroscopy, spectral analysis
- One new flavone glycoside, nomaminoside (3), containing a threono-1,4-lactone moiety, together with three known compounds, isoorientin 2′′-O-rhamnoside (1), coatline B (2), and myrcetin (4), were isolated from the n-butanol fraction of Cassia nomame methanolic extract. The chemical structure of the new compound was elucidated by spectroscopic analysis including HR-ESI-MS, 1D and 2D NMR techniques.