Summary
The purple pigment of the gorgonianParamuricea chamaeleon has been isolated and identified as linderazulene (I).
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References
K. Takeda and W. Nagata, Chem. pharm. Bull., Tokyo1, 164 (1953).
K. Takeda, H. Minato and M. Ishikawa, J. chem. Soc.1964, 2591.
For other azulene NMR data see D. Meuche, B. B. Molloy, D. H. Reid and E. Heilbronner, Helv. chim. Acta46, 2483 (1963).
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B. M. Howard and W. Fenical, Tetrahedron Lett.1978, 2453.
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We thank Dr K. Takeda for linderazulene spectra, and NATO for a grant (to S.I. and R.H.T.) in support of this work.
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Imre, S., Thomson, R.H. & Yalhi, B. Linderazulene, a new naturally occurring pigment from the gorgonian Paramuricea chamaeleon. Experientia 37, 442–443 (1981). https://doi.org/10.1007/BF01986120
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DOI: https://doi.org/10.1007/BF01986120