Lignans and neolignans from Licaria armeniaca |
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| Authors: | Leila V Alegrio Raimundo Braz Fo Otto R Gottlieb JGuilherme S Maia |
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| Institution: | 1. Instituto de Ciências Exatas, Universidade Federal Rural do Rio de Janeiro, 23460 Seropédica, RJ, Brazil;2. Instituto de Química, Universidade de Sâo Paulo, 05508 Sâo Paulo, SP, Brazil;3. Instituto Nacional de Pesquisas da Amazônia, Conselho Nacional de Desenvolvimento Científico e Tecnológico, 69000 Manaus, AM, Brazil. |
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| Abstract: | A re-examination of the trunk wood of Licaria armeniaca led to the isolation of 6,7-dimethoxycoumarin, 1,2,3-trimethoxy-7-oxoaporphine (tri-O-methylmoschatoline, 2e-(3,4,5-trimethoxyphenyl)-6e-(3,4-dimethoxyphenyl)-3,7-dioxabicyclo 3.3.0]octan (magnolin) and a novel neolignan (7S,8R,1′S,2′S,3′S)-2′-acetoxy-1′-allyl-3′,5′-dimethoxy-8-methyl-7-piperonyl-bicyclo 3.2.1]-oct-5′- en-4′-one. |
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| Keywords: | Lauraceae bicyclo[3 2 1]octanoid neolignan magnolin 6 7-dimethoxycoumarin |
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