Rivolotririns A and B from Pleurospermum rivulorum

Masahiko TANIGUCHI; Yong-Qing XIAO; Xiao-Hong LIU; Akiko YABU; Youske HADA; Kimiye BABA

doi:10.1248/cpb.46.1946

Masahiko TANIGUCHI, Yong-Qing XIAO, Xiao-Hong LIU, Akiko YABU, Youske HADA, Kimiye BABA

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Keywords: Pleurospermum rivulorum, Umbelliferae, spirotrifuranocoumarin, rivulotririns A and B

JOURNAL FREE ACCESS

1998 Volume 46 Issue 12 Pages 1946-1947

DOI https://doi.org/10.1248/cpb.46.1946

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Abstract

Two new spirotrifuranocoumarins, rivulotririns A and B (1 and 2), were isolated from the underground part of Pleurospermum rivulorum. They are characterized as two stereoisomers having a different configuration at the C-2 position resulting from the condensation of two heraclenol and one isogosferol units, respectively, on the basis of spectral analysis.

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