C-glycosidic flavonoids from Cassia occidentalis

Tsutomu Hatano, Seiki Mizuta, Hideyuki Ito, Takashi Yoshida

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Three new C-glycosidic flavonoids, cassiaoccidentalins A, B and C, were isolated from aerial parts of Cassia occidentalis, and their structures with a 3-keto sugar were established on the basis of spectroscopic and chemical evidence. They showed signals of two conformers in their 1H- and 13C-NMR spectra due to hindered rotation around their C-glycosidic linkages, and the conformations in solution were analyzed by NMR spectroscopic analyses.

Original languageEnglish
Pages (from-to)1379-1383
Number of pages5
JournalPhytochemistry
Volume52
Issue number7
DOIs
Publication statusPublished - Dec 1 1999

Keywords

  • Cassia occidentalis
  • Cassiaoccidentalin A
  • Cassiaoccidentalin B
  • Cassiaoccidentalin C
  • Conformation
  • Flavonoid
  • Leguminosae

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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