Natural Product Sciences

  • 제8권2호
  • /
  • Pages.55-57
  • /
  • 2002
  • /
  • 1226-3907(pISSN)
  • /
  • 2288-9027(eISSN)
한국생약학회 (The Korean Society of Pharmacognosy)
권호 표지

Terpenoid constituents from Youngia koidzumiana

  • Dat, Nguyen Tien (College of Pharmacy, Chungnam National University) ;
  • Cai, Xing Fu (College of Pharmacy, Chungnam National University) ;
  • Bae, Ki-Hwan (College of Pharmacy, Chungnam National University) ;
  • Kim, Young-Ho (College of Pharmacy, Chungnam National University)
  • 발행 : 2002.06.01
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초록

Youngia koidzumiana is an endemic plant growing in Mt. Chiri. In our ongoing research for endemic species in Korea, we investigated the chemical constituents from the MeOH extract of Y. koidzumiana whole plants. The MeOH extract was partitioned with hexane, ethyl acetate and BuOH, successively. Four known compounds were isolated from ethyl acetate fraction by repeated column chromatography. Their structures were elucidated by the physicochemical and spectral data as germanicol acetate (1), oleanolic acid (2), brachynereolide (3) and ixerin Y (4).

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참고문헌

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