A new triterpenoid skeleton from the med
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G. Cimino; A. Crispino; C.A. Mattia; L. Mazzarella; R. Puliti; E. Trivellone; M.
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Article
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1990
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Elsevier Science
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French
β 272 KB
A new squalene-derived triterpenoid, raspacionin (1). has been isolated from the sponge Ruspaciona acufcata. The structure of 1, characterized by two trans-perhydrobenzoxepine moieties linked by an ethylene brigde. was suggested by spectral evidence and unambigously established by single-crystal X-r