Please use this identifier to cite or link to this item: https://dspace.ctu.edu.vn/jspui/handle/123456789/46321
Title: A new xanthone from the lichen Parmotrema praesorediosum (Parmeliaceae)
Authors: Huynh, Bui Linh Chi
Nguyen, Kim Phi Phung
Keywords: Parmotrema praesorediosum
Lichen
Lichen substances
Tetrahydroxanthone-chromanone dimer
Hexahydroxanthone-chromanonc di mer
Issue Date: 2020
Series/Report no.: Vietnam Journal of Chemistry;No.06, Vol.58 .- P.765-769
Abstract: Two xanthone compounds, praesorexanthone A (1) and praesorexanthone B (2), were isolated from the lichen Parmotrema praesorediosum (Nyl.) Hale (Parmeliaceae). Among them, praesorexanthone B is a new natural compound. Their chemical structures were unambiguously determined by the analysis of 1D and 2D NMR and high resolution ESI mass spectroscopic data, as well as by comparison of their NMR data with the ones in the literature.
URI: https://dspace.ctu.edu.vn/jspui/handle/123456789/46321
ISSN: 2525-2321
Appears in Collections:Vietnam Journal of Chemistry

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