Composite Constituents : Forty-Two Triterpenoids Including Eight Novel Compounds Isolated from Picris hieracioides subsp. japonica

Kenji SHIOJIMA; Kazuo MASUDA; Hideki SUZUKI; Tokuhide LIN; Yuko OOISHI; Hiroyuki AGETA

doi:10.1248/cpb.43.1634

Kenji SHIOJIMA, Kazuo MASUDA, Hideki SUZUKI, Tokuhide LIN, Yuko OOISHI, Hiroyuki AGETA

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Keywords: Picris hieracioided subsp. japonica, Compositae, triterpenoid, gammacer-16-en-3β-yl acetate, pichierenyl acetate

JOURNAL FREE ACCESS

1995 Volume 43 Issue 10 Pages 1634-1639

DOI https://doi.org/10.1248/cpb.43.1634

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Abstract

Forty-two triterpenoids including eight novel compounds, gammacer-16-en-3β-yl acetate (1), gammacer-16-en-3β-ol (2), gammacer-16-en-3α-ol (3), gammacer-16-en-3-one (4), pichierenyl acetate (5), pichierenone (6), isopichierenyl acetate (7) and isopichierenol (8), were isolated from the fresh roots of Picris hieracioides subsp. japonica, Compositae, and their structures were elucidated by means of spectroscopic analysis, and chemical correlations. Fifteen compounds were also obtained from the fresh aerial parts.

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