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An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.
Department of Chemistry, Biology and Marine Science, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan
Netherlands Centre for Biodiversity, Naturalis, PO Box 9517, 2300 RA Leiden, The Netherlands
* Author to whom correspondence should be addressed.
Received: 9 February 2011 / Revised: 28 February 2011 / Accepted: 17 March 2011 / Published: 21 March 2011
Abstract A new acetylenic alkaloid was isolated from the sponge Leucetta sp. The structure was established by analyzing spectroscopic data. The alkaloid showed cytotoxicity IC50 2.5 mg/mL against NBT-T2 cells.
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MDPI and ACS Style
Hermawan, I.; De Voogd, N.J.; Tanaka, J. An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.. Mar. Drugs 2011, 9, 382-386.
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Hermawan I, De Voogd NJ, Tanaka J. An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.. Marine Drugs. 2011; 9(3):382-386.
Hermawan, Idam; De Voogd, Nicole J.; Tanaka, Junichi. 2011. "An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.." Mar. Drugs 9, no. 3: 382-386.
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