Stierhof, MarcHansen, Kine ØstnesSharma, MukeshFeussner, KlausSubko, KarolinaDíaz-Rullo, Fernando FernándezIsaksson, JohanPérez-Victoria, IgnacioClarke, DavidHansen, EspenJaspars, MarcelTabudravu, Jioji N.2017-09-132017-09-132016-11-03Stierhof, M, Hansen, K Ø, Sharma, M, Feussner, K, Subko, K, Díaz-Rullo, F F, Isaksson, J, Pérez-Victoria, I, Clarke, D, Hansen, E, Jaspars, M & Tabudravu, J N 2016, 'New cytotoxic callipeltins from the Solomon Island marine sponge Asteropus sp.', Tetrahedron, vol. 72, no. 44, pp. 6929-6934. https://doi.org/10.1016/j.tet.2016.09.0160040-4020ORCID: /0000-0002-2426-6028/work/163664307http://hdl.handle.net/2164/9297Acknowledgements J.T., E.H., I.P.V., and M.J. acknowledge the financial support of the EU seventh Framework Programme Project ‘PharmaSea’ (Grant no. KBBE 2012-2016) (Contract no. 312184) and acknowledge the support of the RSC for use of the MarinLit Data Base. K.F. and M.C. acknowledge the support of the NCDDG (Grant no. U19 CA67786) awarded to Professor C. M. Ireland, University of Utah, USA. J.T. and M.S. thank Dr. Somayah Elsayed Sameer of the University of Aberdeen for advice on amino acid hydrolysis and derivatisation.61120943engSDG 3 - Good Health and Well-beingSDG 14 - Life Below WaterAntiproliferative activityAsteropusCallipeltinDerivatisationLCMSNMRQD ChemistryBiochemistryDrug DiscoveryOrganic ChemistryQDJournal article10.1016/j.tet.2016.09.016http://www.scopus.com/inward/record.url?scp=84990829207&partnerID=8YFLogxK7244