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Title: | Eusiderins and other neolignans from an Aniba species |
Authors: | Dias, Silvia M. C. Fernandes, João Batista Maia, José Guilherme Soares Gottlieb, Otto Richard Gottlieb, Hugo Emilio |
Issue Date: | 1985 |
metadata.dc.publisher.journal: | Phytochemistry |
metadata.dc.relation.ispartof: | Volume 25, Número 1, Pags. 213-217 |
Abstract: | A previous report disclosed the presence of benzodioxan and bicyclo[3.2.1]octanoid neolignans in the benzene extract of the trunk wood of an Amazonian Aniba (Lauraceae) species. The chloroform extract of the same material contains additionally two new benzodioxan neolignans [rel-(7S,8R)-Δ8′-7-hydroxy-3,4,5,5′-tetrame thoxy-7.0.3′,8.0.4′-neolignan; rel-(7R,8R)-Δ7′-3,4,5,5′-tetramethoxy- 9′-oxo-7.0.3′,8.0.4′-neolignan], two new bicyclo[3.2.1]-octanoid neolignans [(7R,8S,1′S,2′S,3′S,4′R)-Δ8′-2′,4′-dihydroxy-3,3′-dimethoxy-4,5- methylenedioxy- 1′,2′,3′,4′,5′,6′-hexahydro-5′ -oxo-7.3′,8.1′-neolignan; (7R,8S,1′R,2′S,3′S)-Δ8′ -2′-hydroxy-3,3′,5′-trimethoxy-4,5-methylenedioxy- 1′,2′,3′,4′-tetrahydro-4′-oxo-7.3′ ,8.1′-ne olignan] and a hydrobenzofuranoid neolignan [(7S,8R,1′S,5′S)-Δ8′-3,3′, 5′-tri-methoxy-4,5-methylenedioxy-1′,4′,5′ ,6′-tetrahydro-4′-oxo-7.0.2′,8.1-neolignan]. © 1986. |
metadata.dc.identifier.doi: | 10.1016/S0031-9422(00)94531-X |
Appears in Collections: | Artigos |
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