Molecules 2008, 13(6), 1253-1262; doi:10.3390/molecules13061253
Article

Diterpenes from the Brown Alga Dictyota crenulata

1 Departamento de Biologia Vegetal, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, 20550-013, Brazil 2 Programa de Pós-Graduação em Ciências Biológicas (Botânica), Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, 20940-040, Brazil 3 Programa de Pós-Graduação em Química Orgânica, Instituto de Química, Universidade Federal Fluminense, Niterói, RJ, Brazil 4 Departamento de Biologia Marinha, Instituto de Biologia, Universidade Federal Fluminense, CP 100. 644, Niterói, RJ, 24001-970, Brazil 5 Departamento de Botânica, Instituto de Biologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
* Author to whom correspondence should be addressed.
Received: 30 April 2008; in revised form: 2 June 2008 / Accepted: 3 June 2008 / Published: 4 June 2008
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Abstract: The crude extract of the Brazilian brown alga Dictyota crenulata was analyzed by NMR spectroscopy and HRGC-MS techniques. Seven diterpenes were identified: pachydictyol A, dictyodial, 4β-hydroxydictyodial A, 4β-acetoxydictyodial A, isopachydictyol A, dictyol C and dictyotadiol. Xeniane diterpenes have previously been found in D. crenulata from the Pacific Ocean. The results characterize D. crenulata as a species that provides prenylated guaiane (group I) and xeniane diterpenes (group III), thus making it a new source of potential antiviral products.
Keywords: Dictyota crenulata; Dictyotaceae; Phaeophyceae; diterpenes; chemotaxonomy

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MDPI and ACS Style

De-Paula, J.C.; Bueno, L.B.; Cavalcanti, D.N.; Yoneshigue-Valentin, Y.; Teixeira, V.L. Diterpenes from the Brown Alga Dictyota crenulata. Molecules 2008, 13, 1253-1262.

AMA Style

De-Paula JC, Bueno LB, Cavalcanti DN, Yoneshigue-Valentin Y, Teixeira VL. Diterpenes from the Brown Alga Dictyota crenulata. Molecules. 2008; 13(6):1253-1262.

Chicago/Turabian Style

De-Paula, Joel C.; Bueno, Ludmila B.; Cavalcanti, Diana N.; Yoneshigue-Valentin, Yocie; Teixeira, Valéria L. 2008. "Diterpenes from the Brown Alga Dictyota crenulata." Molecules 13, no. 6: 1253-1262.

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