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A new C29-sterol with a cyclopropane ring at C-25 and 26 from the Vietnamese marine sponge lanthella sp.

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Abstract

One new C29 sterol with a cyclopropane ring at C-25 and C-26, aragusteroketal B (1), and aragusterol B (2) were isolated from the Vietnamese marine sponge Ianthella sp. Their structures were elucidated by extensive spectroscopic analyses. Both 1 and 2 showed moderate cytotoxic activity against MCF-7, SK-Hep-1, and HeLa cell lines with IC50 in the range of 12.8–27.8 μM.

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Correspondence to Young Ho Kim.

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Tung, N.H., Van Minh, C., Van Kiem, P. et al. A new C29-sterol with a cyclopropane ring at C-25 and 26 from the Vietnamese marine sponge lanthella sp.. Arch. Pharm. Res. 32, 1695–1698 (2009). https://doi.org/10.1007/s12272-009-2205-y

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  • DOI: https://doi.org/10.1007/s12272-009-2205-y

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