Quinones as key intermediates in natural products Synthesis. Syntheses of bioactive xanthones from Hypericum perforatum.
Two bioactive xanthones from Hypericum perforatum have been synthesized by direct routes. Benzo[c]xanthone 5 can be prepared from intermediate 4.
Kraus
George A
GA
Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA. gakraus@iastate.edu
Mengwasser
John
J
D002855:Chromatography, Thin Layer; D020902:Hypericum / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D011809:Quinones / Q000737:chemistry*; D044004:Xanthones / Q000138:chemical synthesis* / Q000737:chemistry*
D011809:Quinones; D044004:Xanthones
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