Topic
Xanthone
About: Xanthone is a research topic. Over the lifetime, 1639 publications have been published within this topic receiving 25870 citations. The topic is also known as: 9-oxo-xanthene & Diphenyline ketone oxide.
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TL;DR: In this paper, the xanthone structures in polycarbonate (PC) samples thermally treated at 300 and 400°C were confirmed using reaction pyrolysis-gas chromatography/mass spectrometry.
21 citations
TL;DR: The structures of these compounds were established on the basis of one- and two-dimensional NMR homo- and heteronuclear correlation evidence and were evaluated for their apoptotic and antiproliferative activities against human leukemic B lymphocytes, such as the hairy cell leukemia-derived ESKOL cell line and cells from B-CLL (B-cell chronic lymphocytic leukemia) patients.
Abstract: Phytochemical investigations of the seeds of ALLANBLACKIA MONTICOLA have led to the isolation and characterization of one new xanthone derivative, named allanxanthone E ( 1), together with seven known compounds, including five xanthones, 1,7-dihydroxy-3-methoxy-2-(3-methylbut-2-enyl)xanthone ( 2), alpha-mangostin ( 3) , garciniafuran ( 4) , allanxanthone C ( 5), and 1,6-dihydroxy-2,4-diprenylxanthone ( 6), and two pentacyclic triterpenes, friedelin and lupeol. The structures of these compounds were established on the basis of one- and two-dimensional NMR homo- and heteronuclear correlation evidence. Some of these compounds were evaluated for their apoptotic and antiproliferative activities against human leukemic B lymphocytes, such as the hairy cell leukemia-derived ESKOL cell line and cells from B-CLL (B-cell chronic lymphocytic leukemia) patients.
21 citations
TL;DR: In this article, three new xanthones, xanthochymones A-C (1, 3), together with six known compounds including two xanthone, three biflavanoids, and one mellein derivative are isolated from the methanol extract of the twigs of Garcinia xanthophymus.
21 citations
TL;DR: Combination of a xanthone and crown ether provides a receptor that extracts phenylalanine from water and the ninhydrin test was used to assess the amount of other amino acids extracted by this receptor.
21 citations
21 citations