Paratunamides A-D, oxindole alkaloids from Cinnamodendron axillare

Toshinori Kagata, Shizuka Saito, Hideyuki Shigemori, Ayumi Ohsaki, Haruaki Ishiyama, Takaaki Kubota, Jun'ichi Kobayashi

Research output: Contribution to journalArticlepeer-review

100 Citations (Scopus)


Four new oxindole alkaloids, paratunamides A-D (1-4), containing a secologanin unit, were isolated from the bark of Cinnamodendron axillare, and their structures and relative configurations were elucidated by spectroscopic data. The absolute configuration at C-7 in 1-4 was assigned as S, S, R, and S, respectively, on the basis of the CD spectra.

Original languageEnglish
Pages (from-to)1517-1521
Number of pages5
JournalJournal of Natural Products
Issue number10
Publication statusPublished - Oct 2006
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Molecular Medicine
  • Pharmacology
  • Pharmaceutical Science
  • Drug Discovery
  • Complementary and alternative medicine
  • Organic Chemistry


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