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Note | Regular issue | Vol 78, No. 5, 2009, pp.1299-1307
Published online, 21st January, 2009
Published online, 21st January, 2009
DOI: 10.3987/COM-08-11628
■ New Xanthones from the Barks and Fruits of Cratoxylum cochinchinense
Surat Laphookhieo,* Wisanu Maneerat, Wanwasan Narmdorkmai, and Sorwaporn Koysomboon
*School of Science, Mae Fah Luang University, 333 Moo 1, Tasud, Muang, Chiang Rai, 57100, Thailand
Abstract
Four new xanthones named cochinxanthone D-G (1, 5, 8, and 9) along with five known xanthones were isolated from the barks and the fruits of Cratoxylum cochinchinense. Extensive 1D, and 2D NMR and other spectroscopic studies were employed to determine the structure of all new compounds.
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