Viscosamine: the first naturally occurring trimeric 3-alkyl pyridinium alkaloid |
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| Authors: | Volk Christian A Köck Matthias |
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| Institution: | Alfred-Wegener-Institut für Polar- und Meeresforschung in der Helmholtz-Gemeinschaft, Am Handelshafen 12, D-27570 Bremerhaven, Germany. |
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| Abstract: | structure: see text] Pyridinium alkaloids are widely distributed in marine sponges of different genera. Chemical investigation of the Arctic sponge Haliclona viscosa led to the isolation of a new trimeric 3-alkyl pyridinium alkaloid (viscosamine). Trimers have not been described as natural products yet. The isolation and the structure elucidation of viscosamine are discussed in detail. |
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