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Mar. Drugs 2011, 9(3), 382-386; doi:10.3390/md9030382
Article

An Acetylenic Alkaloid from the Calcareous Sponge Leucetta sp.

1
,
2
 and
1,*
1 Department of Chemistry, Biology and Marine Science, University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan 2 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
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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.
Keywords: sponge; acetylene; alkaloid; cytotoxicity sponge; acetylene; alkaloid; cytotoxicity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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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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