Densazalin, a New Cytotoxic Diazatricyclic Alkaloid from the Marine Sponge Haliclona densaspiculaopen access
- Hwang, Buyng Su; Jeong, Yong Tae; Lee, Sangbum; Jeong, Eun Ju; Rho, Jung-Rae
- Issue Date
- Haliclona densaspicula; densazalin; 1; 3-alkylpyridine; cytotoxic alkaloid
- MOLECULES, v.26, no.11
- Journal Title
- Densazalin, a polycyclic alkaloid, was isolated from the marine sponge Haliclona densaspicula collected in Korea. The complete structure of the compound was determined by spectroscopic methods, including 1D and 2D nuclear magnetic resonance techniques, high-resolution mass spectrometry, and comparison of the calculated and measured electronic circular dichroism spectra. Densazalin possesses a unique 5,11-diazatricyclo[184.108.40.206(2,7)]tridecan-2,4,6-triene moiety, which is connected by two linear carbon chains. This compound was derived from the biogenetic precursor bis-1,3-dialkylpyridnium. Densazalin exhibited cytotoxic activity on two human tumor cell lines (AGS and HepG2) in the Cell Counting Kit-8 (CCK-8) bioassay, with IC50 values ranging from 15.5 to 18.4 mu M.
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- 자연과학대학 > 항노화신소재과학과 > Journal Articles
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