7-O-β-D-glucosyl-8-C-β-D-glucosyl-4′-O-methylapigenin. A new flavone from Trema aspera
- 1 January 1968
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society C: Organic
- p. 941-947
- https://doi.org/10.1039/j39680000941
Abstract
Tremasperin, a new O-glucoside C-glucoflavone isolated from Trema aspera is a mixture of mono- and di-acetates. The deacetylated material is shown to be 7-O-β-D-glucosyl-8-C-β-D-glucosyl-4′-O-methylapigenin. The structure has been elucidated from chemical and spectroscopic evidence, with emphasis on the contributions of high resolution mass spectrometry and 1H n.m.r. at 100 Mc./sec.Keywords
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