Summary
On the basis of chemical and spectral evidence, the structureIV has been assigned to Axisonitrile-4, an axane-sesquiterpenoid isonitrile, isolated from the spongeAxinella cannabina; in the same organism have been also found Axisothiocyanate-4 (V) and Axammide-4 (VI).
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References
F. Cafieri, E. Fattorusso, S. Magno, C. Santacroce andD. Sica, Tetrahedron29, 4259 (1973).
E. Fattorusso, S. Magno, L. Mayol, C. Santacroce andD. Sica, Tetrahedron31, 269 (1975).
Mass spectra and accurate mass measurements were obtained with an AEI MS 902 spectrometer by using the direct inlet technique.
IR spectra were recorded on a Perkin-Elmer 157 instrument in CCl4.
NMR spectra were taken in CCl4 on a Perkin-Elmer R 32 apparatus (internal reference TMS); s denotes a singlet, d a doublet, m a multiplet, broad.
GLC's were run using a Perkin-Elmer F 30 instrument with glass column 2m×0.4 cm, on 2.5% SE30.
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This investigation was supported by a grant of the Consiglio Nazionale delle Ricerche, Rome (NA 75.00770.03).
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Iengo, A., Mayol, L. & Santacroce, C. Minor sesquiterpenoids from the sponge Axinella cannabina. Experientia 33, 11–12 (1977). https://doi.org/10.1007/BF01936721
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DOI: https://doi.org/10.1007/BF01936721