New Aurone Glucosides and New Phenylpropanoid Glucosides from Bidens pilosa

Yutaka SASHIDA; Kazunori OGAWA; Makoto KITADA; Hiroyuki KARIKOME; Yoshihiro MIMAKI; Hiroko SHIMOMURA

doi:10.1248/cpb.39.709

Yutaka SASHIDA, Kazunori OGAWA, Makoto KITADA, Hiroyuki KARIKOME, Yoshihiro MIMAKI, Hiroko SHIMOMURA

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Keywords: aurone glucoside, (Z)-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-6-O-β-D-glucopyranosyl-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-7-O-β-D-glucopyranosyl-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-6-O-(6-O-p-coumaroyl-β-D-glucopyranosyl)-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-6-O-(6-O-acetyl-β-D-glucopyranosyl)-6, 7, 3', 4'-tetrahydroxyaurone, phenylpropanoid glucoside, 4-O-(6-O-p-coumaroyl-β-D-glucopyranosyl)-p-coumaric acid, 4-O-(2-O-acetyl-6-O-p-coumaroyl-β-D-glucopyranosyl)-p-coumaric acid, Bidens pilosa

JOURNAL FREE ACCESS

1991 Volume 39 Issue 3 Pages 709-711

DOI https://doi.org/10.1248/cpb.39.709

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Abstract

Three new glucosides of (Z)-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-7-O-β-D-glucopyranosyl-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-6-O-(6-O-p-coumaroyl-β-D-glucopyranosyl)-6, 7, 3', 4'-tetrahydroxyaurone, (Z)-6-O-(6-O-acetyl-β-D-glucopyranosyl)-6, 7, 3', 4'-tetrahydroxyaurone, together with (Z)-6-O-β-D-glucopyranosyl-6, 7, 3', 4'-tetrahydroxyaurone, and two new phenylpropanoid glucosides, 4-O-(6-O-p-coumaroyl-β-D-glucopyranosyl)-p-coumaric acid and 4-O-(2-O-acetyl-6-O-p-coumaroyl-β-D-glucopyranosyl)-p-coumaric acid, have been isolated from the fresh leaves of Bidens pilosa. These structures have been elucidated on the basis of spectral data and chemical correlation.

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