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New xanthones from Psorospermum febrifugum
A M Habib1, K S Reddy, T G McCloud
1Department of Medicinal Chemistry and Pharmacognosy, School of Pharmacy and Pharmacal Sciences, Purdue University, West Lafayette, Indiana 47907.
Journal of Natural Products
|March 1, 1987
Abstract:
The isolation and structural determination of two new xanthone derivatives, 1,2,4-trimethoxy-3,8-dihydroxyxanthone, 1,2,4-trimethoxy-3-hydroxyxanthone and a known 2-methoxy-3-hydroxyxanthone from Psorospermum febrifugum var. ferrugineum are reported. The structures were elucidated by extensive analysis of 1H and 13C nmr, ms, and chemical correlations.