Terpenoids and a diarylheptanoid from Zingiber ottensii.

J Nat Prod

Graduate School of Human Life Science, Osaka City University, 3-3-138, Sugimoto, Sumiyoshi, Osaka, Japan.

Published: November 2006

AI Article Synopsis

  • - Four new terpenoids and one diarylheptanoid were identified from the rhizomes of the plant Zingiber ottensii, alongside 16 previously known compounds.
  • - The newly discovered compounds were characterized with complex names indicating their unique chemical structures.
  • - The determination of these structures was accomplished through spectroscopic analysis, a method used to examine the molecular composition of substances.

Article Abstract

Four new terpenoids and a diarylheptanoid were isolated together with 16 known compounds from rhizomes of Zingiber ottensii. The structures of the new compounds were determined to be 1,10,10-trimethylbicyclo[7,4,0]tridecane-3,6-dione (1), (E)-14-hydroxy-15-norlabda-8(17),12-dien-16-al (2), (E)-labda-8(17),12,14-trien-15(16)-olide (3), (E)-14,15,16-trinorlabda-8(17),11-dien-13-oic acid (4), and rel-(3R,5S)-3,5-dihydroxy-1-(4-hydroxy-3-methoxyphenyl)-7-(3, 4-dihydroxyphenyl)heptane (5) by spectroscopic evidence.

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http://dx.doi.org/10.1021/np0603119DOI Listing

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