한국양식학회지 (Journal of Aquaculture)

한국양식학회 (The Korean Society of Fisheries and Aquatic Science)
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핵자기공명분광기를 이용한 해면동물 Penares incrustans에서 분리된 스테로이드 화합물의 분석

NMR Spectral Analysis of Steroids Isolated from the Sponge Penares incrustans

  • 서영완 (한국해양대학교 해양과학부)
  • 발행 : 2002.08.01
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⟨ 이전 논문 다음 논문 ⟩

초록

해면동물 P. incrustans 시료를 거제도 해금강 연안에서 SCUBA 다이빙에 의하여 채집하였으며, 채집한 시료를 메탄올로 반복해서 추출한 후에 다시 dichloromethane으로 반복 추출하였다 얻어진 유기 조추출물을 n-butanol과 물을 이용하여 분배한 후 n-butanol 층은 다시 15% 메탄올 수용액층과 n-hexane으로 분배하였다. n-Hexane 분배 분획에 대한 silica flash chromatography와 이렇게 얻어진 크로마토그래피 분획에 대한 반복적인 HPLC에 의해서 saringosterol을 분리할 수 있었으며, 이차원적 핵자기 공명 분광기법에 의하여 이 화합물을 구성하는 탄소원자들의 위치를 정확히 지정할 수 있었다. 이 스테로이드는 아직까지 우리나라에서 채집한 해양생물에서는 분리된 적이 없으며 이 화합물의 탄소 위치에 대한 정확한 지정도 처음으로 이루어졌다.

Saringosterols have been isolated from the sponge Penares incrustans. The structure of these compounds have been determined by extensive 2-D NMR experiments such as $ ^1 H$ COSY, HMQC, and HMBC and by comparison with published data. Assignment for carbons of saringosterols for the first time has been done.

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