Tannins and Related Compounds. L.1) Structures of Proanthocyanidin A-l and Related Compounds

Gen Ichiro Nonaka, Satoshi Morimoto, Itsuo Nishioka, Jun Ei Kinjo, Toshihiro Nohara

Research output: Contribution to journalArticlepeer-review

42 Citations (Scopus)

Abstract

The structures of proanthocyanidin A-l (2) and two related proanthocyanidins, tentatively named A-4 (3) and A-5’ (4), have been established unambiguously on the basis of spectroscopic evidence and chemical correlations with the structurally known proanthocyanidin A-2 (1). Chemical transformation of singly linked proanthocyanidin B-l (6) into 2 also confirmed the stereostructure of 2.

Original languageEnglish
Pages (from-to)149-155
Number of pages7
JournalChemical and Pharmaceutical Bulletin
Volume35
Issue number1
DOIs
Publication statusPublished - 1987
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Drug Discovery

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