Chemical Studies on Viburnum awabuki K.KOCH

MASANORI KUROYANAGI; MICHIKO SHIOTSU; TSUYOSHI EBIHARA; HIDEAKI KAWAI; AKIRA UENO; SEIGO FUKUSHIMA

doi:10.1248/cpb.34.4012

Chemical and Pharmaceutical Bulletin

Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363

Chemical Studies on Viburnum awabuki K.KOCH

MASANORI KUROYANAGI, MICHIKO SHIOTSU, TSUYOSHI EBIHARA, HIDEAKI KAWAI, AKIRA UENO, SEIGO FUKUSHIMA

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Keywords: ^<13>C-NMR spectrum

JOURNAL FREE ACCESS

1986 Volume 34 Issue 10 Pages 4012-4017

DOI https://doi.org/10.1248/cpb.34.4012

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Abstract

From Viburnum awabuki K. KOCH (Caprifoliaceae), four new acetyl glucosides of scopoletin, 2'6'-di-o-acetylscopolin (1), 3', 6'-di-O-acetylscopolin (2), 6'-O-acetylscopolin (3) and 2'-O-acetylscopolin (4), and two lupane-type triterpenes, 6α-hydroxylup-20(29)-en-3-on-28-oic acid (6) and its 6β-epimer (7), were isolated. Their structures were elucidated on the basis of physicochemical evidence, including proton and carbon-13 nuclear magnetic resonance spectrometry.

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