Meroterpenes from Cystoseira usneoides
1992
Urones, J.G. | Basabe, P. | Marcos, I.S. | Pienda. J. | Lithgow, A.M. | Moro, R.F. | Brito Palma, F.M.S. | Araujo, M.E.M. | Gravalos, M.D.G.
Two new meroterpenes have been isolated from the brown seaweed Cystoseira usneoides usneoidone E and usneoidone Z. Their structures were established mainly by means of 2D NMR experiments: 1H/1H (COSY) and 1H/13C one bond and long range (HCCORR) correlations. Both compounds exhibit antitumoural and antiviral activities.
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