New Halogenated Sesquiterpenes from the Red Alga Laurencia Caespitosa
- MANUEL NORTE 1
- RAFAEL GONZALEZ 1
- AGUSTÍN PADILLA 1
- JOSÉ J. FERNÁNDEZ 1
- JESÚS T. VÁZQUEZ 1
-
1
Universidad de La Laguna
info
ISSN: 1480-3291
Ano de publicación: 1991
Volume: 69
Número: 3
Páxinas: 518-520
Tipo: Artigo
Outras publicacións en: Canadian Journal of Chemistry
Resumo
Three new brominated sesquiterpenes have been isolated from the red alga Laurencia caespitosa. The structures of thesemetabolites have been elucidated by spectral analysis and chemical correlations. Their absolute configurations were establishedby CD methods.
Referencias bibliográficas
- D. J. FAULKNER. Nat. Prod. Rep. 6, 613 (1988), and references therein.
- M. CHANG, J. T. VAZQUEZ, K. NAKANISHI, F. CATALDO, D. M. ESTRADA, J. J. FERNANDEZ, A. GALLARDO, J. D. MART~N, M. NORTE, R. P~REZ, and M. L. RODRIGUEZ. Phytochemistry, 28, 1417 (1989).
- A. G. GONZALEZ, J. DARIAS, J. D. MARTIN, and C. P~REZ. Tetrahedron Lett. 1249 (1974).
- B. M. HOWARD and W. FENICAL. Tetrahedron Lett. 41 (1976); (b) J. D. MART~N and J. DARIAS. In Marine natural products. Vol. I. Edited by P. J. Scheuer. Academic Press, New York. 1978. p. 125; (c) K. L. ERICKSON. In Marine natural products. Vol. V. Edited by P. J. Scheuer. Academic Press, New York. 1983. p. 132.
- N. HARADA and K. NAKANISHI. Circular dichroic spectroscopyExciton coupling in organic stereochemistry. University Science Books, Mill Valley, CA. 1983.
- N. HARADA, J. IWABUCHI, Y. YOKOTA, H. UDA, and K. NAKANISHI. J. Am. Chem. Soc. 103,5590 (1981).
- N. C. GONELLA, K. NAKANISHI, V. S. MART~N, and K. B. SHARPLESS. J. Am. Chem. Soc. 104, 3775 (1982).
- N. HARADA, Y. YOKOTA, J. IWABUCHI, H.UDA, and M. OCHI. J. Chem. Soc. Chem. Commun. 1220 (1984).