Abstract
Farinose exudates on fronds of gymnogrammoid ferns generally consist of flavonoid aglycones. In Notholaena candida var. copelandii a new triterpene was found as a major component of the farina besides galangin 3-methylether and kaempferol 3-methylether. Extensive mass spectral and NMR studies revealed this triterpene to be a new natural product, 6α-acetoxy-16β,22-dihydroxyhopan-24-oic acid.
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