Chinese Journal of Magnetic Resonance ›› 1995, Vol. 12 ›› Issue (1): 47-54.

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STUDY ON THE STRUCTURES OF TWO SESQUITERPENOIDS FROM SOUTH CHINA SEA SPONGE DYSIDEA FRAGILIS BY NMR SPECTROSCOPY

Zhong Yongli1, Su Jingyu1, Zeng Longmei1, Yan Xianzhong2   

  1. 1. Department of Chemistry, Zhongshan University. Guangzhou 510275;
    2. Nuclear Magnetic Resonance Laboratory, Academy of Military Medical Sciences, Beijing 100850
  • Received:1994-03-08 Revised:1994-06-14 Published:1995-02-05 Online:2018-01-17

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Abstract: The usquiterpenoids herbadysidilide (1) and furodysinin lactonc (2) were isolated from the South China Sea sponge Dysidea fragilis. Their structures were elucidated by 1H, 13C NMR, selective long-range DEPT 13C NMR, 1H-1H COSY and 13C-1H COSY spectroscopy. The 1H and 13C NMR data of 1 and 2 were assigned. The bioactivities of 1 and 2 were also studied.

Key words: Sesquiterpenoids, Sponge, 2D NMR spectra, Selective long-range DEPT 13C NMR bioactivities

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