Studies on the constituents of Lespedeza homoloba Nakai. I. The structure of lespedeol A

A new isoflavanone derivative named lespedeol A was isolated from the bark of Lespedeza homoloba NAKAI. The structure was presumed to be 2', 4', 5, 7-tetrahydroxy-6-geranylisoflavanone by spectral and chemical data, and this presumption was confirmed by the synthesis of 2', 4', 7...

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Published inChemical & pharmaceutical bulletin Vol. 21; no. 8; pp. 1734 - 1740
Main Authors Ueno, A, Ichikawa, M, Miyase, T, Fukushima, S, Saiki, Y, Morinaga, K
Format Journal Article
LanguageEnglish
Published Tokyo The Pharmaceutical Society of Japan 1973
Japan Science and Technology Agency
Subjects
field crops
plant biochemistry
plant physiology
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Abstract A new isoflavanone derivative named lespedeol A was isolated from the bark of Lespedeza homoloba NAKAI. The structure was presumed to be 2', 4', 5, 7-tetrahydroxy-6-geranylisoflavanone by spectral and chemical data, and this presumption was confirmed by the synthesis of 2', 4', 7-trimethoxy-5-hydroxy-6-tetrahydrogeranylisoflavone derived from lespedeol A.
AbstractList A new isoflavanone derivative named lespedeol A was isolated from the bark of Lespedeza homoloba NAKAI. The structure was presumed to be 2', 4', 5, 7-tetrahydroxy-6-geranylisoflavanone by spectral and chemical data, and this presumption was confirmed by the synthesis of 2', 4', 7-trimethoxy-5-hydroxy-6-tetrahydrogeranylisoflavone derived from lespedeol A.
Author Ueno, A
Fukushima, S
Saiki, Y
Morinaga, K
Miyase, T
Ichikawa, M
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SubjectTerms field crops
plant biochemistry
plant physiology
Title Studies on the constituents of Lespedeza homoloba Nakai. I. The structure of lespedeol A
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