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Paper | Regular issue | Vol 29, No. 12, 1989, pp.2297-2300
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5087
A New Pyranoxanthone and Flavonoids from Hypericum canariensis

M. Luz Cardona, Isabel Fernández, José R. Pedro,* and Angel Serrano

*Department of Organic Chemistry, Faculty of Chemistry, Valencia University, 46100-Burjassot, Valencia, Spain

Abstract

Hypericum canariensis contains quercetin, hyperin, I3,II8-biapigenin and a new compound, hypericanarin B, which is identified as 8-hydroxy-3,3-dimethylpyrano [3,2-a] xanthen-12 (3H)-one on the basis of spectroscopic evidence.