A New Acetylenic Compound from the Rhizomes of Atractylodes chinensis and Its Absolute Configuration

Yoichiro Nakai; Iwao Sakakibara; Kazuhiro Hirakura; Susumu Terabayashi; Shuichi Takeda

doi:10.1248/cpb.53.1580

Notes

A New Acetylenic Compound from the Rhizomes of Atractylodes chinensis and Its Absolute Configuration

Yoichiro Nakai, Iwao Sakakibara, Kazuhiro Hirakura, Susumu Terabayashi, Shuichi Takeda

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Keywords: Atractylodes chinensis, atractyloyne, absolute configuration, modified 2-methoxy-2-trifluoromethylphenylacetic acid (MTPA) method, polyacetylene

JOURNAL FREE ACCESS

2005 Volume 53 Issue 12 Pages 1580-1581

DOI https://doi.org/10.1248/cpb.53.1580

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Abstract

A new acetylenic compound “atractyloyne”, (3S,4E,6E,12E)-1-isovaleryloxy-tetradeca-4,6,12-triene-8,10-diyne-3,14-diol (1) was isolated from the rhizomes of Atractylodes chinensis (Compositae) together with a known compound (4E,6E,12E)-3-isovaleryloxy-tetradeca-4,6,12-triene-8,10-diyne-1,14-diol (2). These structures were determined on the basis of the spectroscopic data and chemical evidence, and the absolute configuration of 1 was established by the modified 2-methoxy-2-trifluoromethylphenylacetic acid (MTPA) method.

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