Resumo
From the ethanolic extract of the leaves and thin branches of Duguetia trunciflora Maas (Annonaceae) six alkaloids were isolated, being one benzylisoquinoline: reticuline¹, four tetrahydroprotoberberine:,tetrahydro-palmatine², tetrahydrojathrorrizine³, discretamine4, thaicanine5, and one berberine: jathrorrizine6. These alkaloids were identified through ¹H and 13C NMR spectroscopic technics. The alkaloids 1, 3, 5 and 6 are being cited for the first time on Duguetia genus.
Alcalóides de Duguetia trunciflora Maas (Annonaceae)
I.M. FechineI; M.A. LimaI; V.R. NavarroI; E.V. L. da CunhaI,II; M.S. SilvaI; J.M. Barbosa-FilhoI,* * jbarbosa@ltf.ufpb.br ; J.G.S. MaiaIII
ILaboratório de Tecnologia Farmacêutica, Universidade Federal da Paraíba, CP 5009, 58051-970, João Pessoa, PB, Brasil
IIUniversidade Estadual da Paraíba, Departamento de Farmácia e Biologia, Campina Grande, PB, Brasil.
IIIDepartamento de Botânica, Museu Paraense Emílio Goeldi, CP 399, 66040-170, Belém, PA
ABSTRACT
From the ethanolic extract of the leaves and thin branches of Duguetia trunciflora Maas (Annonaceae) six alkaloids were isolated, being one benzylisoquinoline: reticuline1, four tetrahydroprotoberberine:,tetrahydro-palmatine2, tetrahydrojathrorrizine3, discretamine4, thaicanine5, and one berberine: jathrorrizine6. These alkaloids were identified through 1H and 13C NMR spectroscopic technics. The alkaloids 1, 3, 5 and 6 are being cited for the first time on Duguetia genus.
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Agradecimentos
Os autores agradecem ao Banco de Dados NAPRALERT, da Universidade de Illinois, USA, pelo levantamento bibliográfico e ao CNPq e CAPES pelo apoio financeiro.
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Datas de Publicação
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Publicação nesta coleção
05 Out 2009 -
Data do Fascículo
2002