Chemical and Chemotaxonomical Studies of Ferns. LXXXI. Characteristic Lignans of Blechnaceous Ferns

Hiroshi WADA; Tsunehiro KIDO; Nobutoshi TANAKA; Takao MURAKAMI; Yasuhisa SAIKI; Chiu-Ming CHEN

doi:10.1248/cpb.40.2099

Chemical and Chemotaxonomical Studies of Ferns. LXXXI. Characteristic Lignans of Blechnaceous Ferns

Hiroshi WADA, Tsunehiro KIDO, Nobutoshi TANAKA, Takao MURAKAMI, Yasuhisa SAIKI, Chiu-Ming CHEN

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Keywords: Blechnaceae, Blechnum orientale, Struthiopteris amabilis, Struthiopteris niponica, Woodwardia orientalis, Woodwardia prolifera, Brainea insignis, lignan, fern, chemotaxonomy

JOURNAL FREE ACCESS

1992 Volume 40 Issue 8 Pages 2099-2101

DOI https://doi.org/10.1248/cpb.40.2099

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Abstract

Four lignans, blechnic acid (1), 7-epiblechnic acid (3), 8-epiblechnic acid (6) and brainic acid (2), were isolated from six Blechnaceous ferns, Blechnum orientale, Struthiopteris amabilis, S. niponica, Woodwardia orientalis, W. prolifera and Brainea insignis. Their structures were determined by spectroscopic methods and chemical conversion.

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