Phloroglucinol derivatives from Dryopteris fusco-atra and D. hawaiiensis
1991
Patama, T.T. | Widen, C.J.
The phloroglucinol composition in two neotropical American ferns Dryopteris fuscoatra and D. hawaiiensis has been investigated. Dryopteris fusco-atra contains flavaspidic acids and filixic acids, which are a characteristic of the section Fibrillosae. The other member of the same section, D. hawaiiensis, lacks these compounds and instead contains much para-aspidin and the aromatic compounds margaspidin and phloraspidinol. Para-aspidin AB and margaspidin AB have been isolated for the first time from Dryopteris.
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