Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/6464
Título: New sesquiterpene lactones from the Portuguese liverwort Targionia lorbeeriana
Autor: Neves, Marta
Morais, Rui
Gafner, Stefan
Stoeckli-Evans, Helen
Hostettmann, K.
Palavras-chave: Liverwort
T. lorbeeriana
Targionaceae
Phytochemistry
Bioassay
Terpenoids
Sesquiterpene lactones
Data: 1999
Editora: Elsevier
Citação: NEVES, Marta... [et al.] - New sesquiterpene lactones from the Portuguese liverwort Targionia lorbeeriana. Phytochemistry. ISSN 0031-9422. Vol. 49, n.º 6 (1999), p. 967-972
Resumo: Three new sesquiterpene lactones (acetyltrifloculoside, 8,15-acetylsalonitenolide and 8-acetylsalonitenolide) and two known sesquiterpene lactones were isolated from a dichloromethane extract of the Portuguese liverwort Targionia lorbeeriana. Their structures were established by spectroscopic methods (EI and D/CI mass spectroscopy, 1H and 13C NMR) and that of acetyltrifloculoside was confirmed by X-ray crystallography. The three isolated guaianolide sesquiterpene lactones presented antifungal activity against Cladosporium cucumerinum and larvicidal activity against Aedes aegypti. Only one of the isolated lactones presented activity against Candida albicans.
Peer review: yes
URI: http://hdl.handle.net/10400.14/6464
Versão do Editor: doi:10.1016/S0031-9422(98)00648-7
Aparece nas colecções:ESB - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

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