Bioassay-guided fractionation of an ethanol extract of the brown alga, Dictyota dichotoma, led to the isolation of a novel chlorine-containing perhydroazulene diterpene together with two known diterpenes, dictyolactone and sanadaol. The structure of the novel compound, named dictyol J, was elucidated on the basis of spectroscopic information. Dictyolactone showed the highest algicidal activity against red-tide phytoplanktons among the three isolated compounds.
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Univ Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
Univ Fed Fluminense, Dept Tecnol Farmaceut, BR-24241002 Niteroi, RJ, BrazilUniv Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
Nunes Pinheiro, Ana Debora
Pereira Lopes-Filho, Erick Alves
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Univ Fed Rio de Janeiro, Museu Nacl, Programa Posgrad Bot, BR-20940040 Rio De Janeiro, RJ, BrazilUniv Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
Pereira Lopes-Filho, Erick Alves
De-Paula, Joel Campos
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Univ Fed Estado Rio de Janeiro, Programa Posgrad Biodivers Neotrop, BR-22290240 Rio De Janeiro, RJ, BrazilUniv Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
De-Paula, Joel Campos
Pereira Netto, Annibal Duarte
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Univ Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, BrazilUniv Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
Pereira Netto, Annibal Duarte
Teixeira, Valeria Laneuville
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Univ Fed Estado Rio de Janeiro, Programa Posgrad Biodivers Neotrop, BR-22290240 Rio De Janeiro, RJ, Brazil
Univ Fed Fluminense, Programa Posgrad Ciencias & Biotecnol, BR-24020141 Niteroi, RJ, BrazilUniv Fed Fluminense, Programa Posgrad Quim, BR-24020141 Niteroi, RJ, Brazil
机构:
Univ Estado Rio de Janeiro, Inst Biol Roberto Alcantara Gomes, Dept Biol Vegetal, BR-20550013 Rio De Janeiro, Brazil
Univ Fed Rio de Janeiro, Museu Nacl, Programa Posgrad Ciencias Biol Bot, BR-20940040 Rio De Janeiro, BrazilUniv Fed Fluminense, Inst Biol, Dept Biol Marinha, BR-24001970 Niteroi, RJ, Brazil
机构:
Univ Fed Rio de Janeiro, Inst Biol, Dept Bot, Rio De Janeiro, BrazilUniv Fed Fluminense, Inst Biol, Dept Biol Marinha, BR-24001970 Niteroi, RJ, Brazil