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Two New Jaspamide Derivatives from the Marine Sponge Jaspis splendens
Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine University, Universitaetsstrasse 1, D-40225 Duesseldorf, Germany
Helmholtz Center for Infection Research, Inhoffenstrasse 7, D-38124 Braunschweig, Germany
National Museum of Natural History, PO Box 9517 2300 RA Leiden, The Netherlands
Analytical and Testing Center, Beijing Normal University, Beijing 100875, China
State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100083, China
Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Ain-Shams University, Abbasia, Cairo, Egypt
* Authors to whom correspondence should be addressed.
Received: 21 August 2009 / Revised: 2 September 2009 / Accepted: 14 September 2009 / Published: 15 September 2009
Abstract Two new jaspamide derivatives 2 and 3, together with the parent compound jaspamide (1) have been isolated from the marine sponge Jaspis splendens collected in Kalimantan (Indonesia). The structures of the new compounds were unambiguously elucidated based on 1D and 2D NMR spectral data, mass spectrometry and comparison with jaspamide (1). The new derivatives inhibited the growth of mouse lymphoma (L5178Y) cell line in vitro with IC50 values of <0.1 μg/mL.
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Ebada, S.S.; Wray, V.; De Voogd, N.J.; Deng, Z.; Lin, W.; Proksch, P. Two New Jaspamide Derivatives from the Marine Sponge Jaspis splendens. Mar. Drugs 2009, 7, 435-444.
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Ebada SS, Wray V, De Voogd NJ, Deng Z, Lin W, Proksch P. Two New Jaspamide Derivatives from the Marine Sponge Jaspis splendens. Marine Drugs. 2009; 7(3):435-444.
Ebada, Sherif S.; Wray, Victor; De Voogd, Nicole J.; Deng, Zhiwei; Lin, Wenhan; Proksch, Peter. 2009. "Two New Jaspamide Derivatives from the Marine Sponge Jaspis splendens." Mar. Drugs 7, no. 3: 435-444.
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