Riassunto
Si descrive l'isolamento di un nuovo sesterterpene tetracarbociclico, scalaradiale, dalla spugnaCacospongia mollior, per il quale si dimostra la struttura4, strettamente correlata alla scalarina (1) e alla deoxoscalarina (2), precedentemente otterure dalle spugneCacospongia scalaris e Spongia officinalis, rispettivamente.
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Literatur
E. Fattorusso, S. Magno, C. Santacroce andD. Sica, Tetrahedron28, 6021 (1972).
G. Cimino, S. De Stefano andL. Minale, Experientia29, 1063 (1973).
K. Hafizullah, A. Zamen, G. L. Chetty, A. S. Gupta andS. Dev, Tetrahedron Lett.1971, 4443.
G. Cimino, S. De Stefano, L. Minale andE. Fattorusso, Tetrahedron27, 4673 (1971).
Sponges, collected in the Bay of Naples, were obtained from the Supply Department of the Zoological Station (Naples) and identified by ProfessorN. Sarà and Dr.G. Pulitzer-Finali (University of Genoval) to whom the authors express their thanks.
Mass spectra were recorded on an AEI MS-30, spectrometer; NMR-spectra were taken on a Varian HA-100D spectrometer; IR- and UV-spectra were determined with a Perkin-Elmer 257 and Baush and Lomb Spectronic 505 spectrophotometers, respectively.
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Cimino, G., De Stefano, S. & Minale, L. Scalaradial, a third sesterterpene with the tetracarbocyclic skeleton of scalarin, from the spongeCacospongia mollior. Experientia 30, 846–847 (1974). https://doi.org/10.1007/BF01938315
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DOI: https://doi.org/10.1007/BF01938315