Two New Acyl-Phloroglucinols from Dryopteris atrata

Hiroyuki FUCHINO; Hisanori NAKAMURA; Hiroshi WADA; Takashi HAKAMATSUKA; Nobutoshi TANAKA

doi:10.1248/cpb.45.1101

Hiroyuki FUCHINO, Hisanori NAKAMURA, Hiroshi WADA, Takashi HAKAMATSUKA, Nobutoshi TANAKA

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Keywords: Dryopteris atrata, acyl-phloroglucinol, aristol-9-ene, flavaspidic acid, Aspidiaceae, fern

JOURNAL FREE ACCESS

1997 Volume 45 Issue 6 Pages 1101-1102

DOI https://doi.org/10.1248/cpb.45.1101

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Abstract

Two new acyl-phloroglucinols, called atrata-phloroglucinols A and B, were isolated from the fronds of Dryopteris atrata. Their structures were elucidated by two dimensional NMR spectral data to be flavaspidic acids AA and AB of which the methyl group at C-5' is replaced with 8-aristol-9-enyl group.

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