Woodfordin D and Oenothein A, Trimeric Hydrolyzable Tannins of Macro-Ring Structure with Antitumor Activity

Takashi Yoshida, Tong Chou, Muneto Matsuda, Taeko Yasuhara, Kazufumi Yazaki, Tsutomu Hatano, N. Nitta, Takuo Okuda

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

Two new antitumor trimeric hydrolyzable tannins, woodfordin D (5) and oenothein A (13), were isolated from the dried flowers of Woodfordia fruticosa, and their macrocyclic structures, which have a novel constituent unit (woodfordinoyl group) connecting the monomers, have been elucidated on the basis of spectral and chemical evidence. Oenothein A (13) was also isolated from the leaves of Oenothera biennis.

Original languageEnglish
Pages (from-to)1157-1162
Number of pages6
JournalChemical and Pharmaceutical Bulletin
Volume39
Issue number5
DOIs
Publication statusPublished - Jan 1 1991

Keywords

  • Lythraceae
  • Oenothera biennis
  • Onagraceae
  • Woodfordia fruticosa
  • oenothein A
  • tannin
  • trimeric ellagitannin
  • woodfordin D
  • woodfordinoyl group

ASJC Scopus subject areas

  • Chemistry(all)
  • Drug Discovery

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