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Itampolins A and B, new brominated tyrosine derivatives from the sponge Iotrochota purpurea |
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| Authors: | Hagit Sorek Maurice Aknin Yoel Kashman |
| Institution: | a School of Chemistry, Tel-Aviv University, Ramat Aviv 69978, Israel b Laboratoire de Chimîe des Substances Naturelles et des Aliments, Faculté des Sciences et Techniques, Université de la Réunion, 15 Avenue Rene cassin, BP 7151, 97715 Saint Denis, Cedex 9, France c Université de Droit, d’Economie et des Sciences d’Aix Marseille III, France |
| Abstract: | Two new compounds, designated as itampolins A (1) and B (2) were isolated from the sponge Iotrochota purpurea collected at Itampolo, southwest of Tuléar, Madagascar. The structures of the compounds were elucidated mainly on the basis of 1D and 2D NMR and mass spectroscopic data and, in the case of 1, also by chemical degradation. |
| Keywords: | Marine sponge Dibromo tyrosine Alkaloids NMR |
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