Article Dans Une Revue Organic Letters Année : 2009

Benzosceptrins A and B with a unique benzocyclobutane skeleton and nagelamide S and T from Pacific sponges.

Résumé

Four new dimeric pyrrole-2-aminoimidazole alkaloids have been isolated from the Pacific marine sponges Agelas cf. mauritiana and Phakellia sp. They include the unusual C2 symmetrical benzosceptrins A (4) and B (5), which each possess a unique benzocyclobutane skeleton and nagelamides S (6) and T (7). Their structures and relative configuration were elucidated from spectroscopic data. Plausible biogenetic paths for these compounds are also proposed in this paper.

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Dates et versions

hal-00432539 , version 1 (16-11-2009)

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Jérôme Appenzeller, Supriya Tilvi, Marie-Thérèse Martin, Jean-François Gallard, Hoda El-Bitar, et al.. Benzosceptrins A and B with a unique benzocyclobutane skeleton and nagelamide S and T from Pacific sponges.. Organic Letters, 2009, 11 (21), pp.4874-7. ⟨10.1021/ol901946h⟩. ⟨hal-00432539⟩
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