Nakijiquinones J-R, sesquiterpenoid quinones with an amine residue from okinawan marine sponges

Yohei Takahasbi, Masahiro Ushio, Takaaki Kubota, Sunao Yamamoto, Jane Fromont, Ju N.Ichi Kobayashi

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

Nine new sesquiterpenoid quinones, nakijiquinones J-R (1-9), have been isolated from three collections of Okinawan marine sponges of the family Spongiidae, and the structures and configurations were elucidated from the spectroscopic data and chemical correlations. Nakijiquinones J-L (1-3), M and N (4 and 5, respectively), O (6), P and Q (7 and 8, respectively), and R (9) are new sesquiterpenoid quinones possessing (S)-2-methylbutylamine, isopentylamine, isobutylamine, phenethylamine, and taurine residues, respectively, attached to each quinone ring.

Original languageEnglish
Pages (from-to)467-471
Number of pages5
JournalJournal of Natural Products
Volume73
Issue number3
DOIs
Publication statusPublished - Mar 26 2010
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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