Chemical constituents of sponge Pseudoceratina sp. and their chemotaxonomic significance |
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| Institution: | 1. School of Chemical & Physical Sciences, Victoria University of Wellington, Wellington, New Zealand;2. Centre for Biodiscovery, Victoria University of Wellington, Wellington, New Zealand;3. Ferrier Research Institute, Victoria University of Wellington, Lower Hutt, New Zealand;4. Maurice Wilkins Centre for Molecular Biodiscovery, New Zealand;1. College of Life Science, Northwest Normal University, Lanzhou, 730070, Gansu Province, PR China;2. Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, Beijing, 100875, PR China |
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| Abstract: | The chemical investigation of Pseudoceratina sp. led to the isolation of six compounds including tyrosine brominated isoxazoline alkaloids (1 and 2), polyketide (3), and 5α,8α-epidioxysterols (4–6). The structures of these compounds were identified by comparison of NMR and MS spectroscopic data with those previously reported. Compounds 3–6 were isolated for the first time from sponges of the genus Pseudoceratina. The chemotaxonomic significance of these compounds was discussed. |
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| Keywords: | Marine sponge Bromotyrosine alkaloid Sterol Chemotaxonomic significance |
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