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Title: The 2-pyrones of Aniba species
Authors: Rezende, C. M. Andrade da Mata
von Bülow, Maria Vittória
Gottlieb, Otto Richard
Pinho, Sonildes Lamêgo Vieira
Rocha, Arnaldo Imbiriba da
Issue Date: 1971
metadata.dc.publisher.journal: Phytochemistry
metadata.dc.relation.ispartof: Volume 10, Número 12, Pags. 3167-3172
Abstract: A re-examination of the trunk wood of Aniba parviflora (Meissn.) Mez (Lauraceae) yielded two new constituents, 6-(4′-hydroxy-trans-styryl)-2-pyrone (IVf) and 6-(3′,4′-dihydroxy-trans-styryl-2-pyrone (IVe). 6-Cis-styryl-2-pyrone (Va) was also isolated. This, however, is considered to be an artifact, since the wood of other Aniba species, such as A. canelilla (H.B.K.) Mez, A. permollis (Nees) Mez and A. gardneri (Meissn.) Mez, contain only 6-trans-styryl-4-methoxy-2-pyrones (II), besides 6-aryl-4-methoxy-2-pyrones (I). In the leaves of A. gardneri, however, such compounds are accompanied by their photo-transformation products 6-cis-styryl-4-methoxy-2-pyrone (Vb), aniba-dimer-A (VIIb) and aniba-dimer-B (VIIc). © 1971.
metadata.dc.identifier.doi: 10.1016/S0031-9422(00)97370-9
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