(+)- and (-)-Xanchryones F and G ((+)- and (-)-1 and 2) were isolated from the plant Xanthostemon chrysanthus by chiral separation. Compounds 1 and 2 featured a new carbon skeleton with cinnmaoyltriketone-flavone adducts. Their structures with absolute configurations were elucidated by detailed
Three pairs of dimeric phenylpropanoyl-phloroglucinol enantiomers, (+)- and (-)-xanthchrysones A-C [(+)- and (-)-1-3], as well as their postulated biosynthetic precursors were isolated and identified from the leaves of Xanthostemon chrysanthus. Compound 1 featured an unprecedented
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