Phytochemistry p. 1195 - 1198 (1996)
Update date:2022-08-29
Topics:
Iinuma, Munekazu
Tosa, Hideki
Ito, Tetsuro
Tanaka, Toshiyuki
Madulid, Domingo A.
From the roots of Cratoxylum formosanum, two new xanthones, 2,7- dihydroxy-1,8-dimethoxyxanthone and 1,4,7-trihydroxy-8-methoxyxanthone, were isolated, in addition to seven known xanthones and two flavonoids. Among the xanthones, 1,4,7-trihydroxyxanthone was the first isolation from the natural sources. Structures were determined by spectral analyses.
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