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metadata.dc.type: | Artigo de Periódico |
Title: | Coumarins from Kielmeyera argentea |
Other Titles: | Phytochemistry |
Authors: | Cruz, Frederico Guare Santos, Nelson A. S. David, Jorge Mauricio Guedes, Maria L. S. Chávez, Juceni P. |
metadata.dc.creator: | Cruz, Frederico Guare Santos, Nelson A. S. David, Jorge Mauricio Guedes, Maria L. S. Chávez, Juceni P. |
Abstract: | Two new prenylated 4-n-propylcoumarins, 7-hydroxy-8-(4-cinnamoyl-3-methyl-1-oxobutyl)-4-n-propyl-2′,2′-dimethyl 2H,6H-benzol[1,2-b:3,4-b′]-dipyran-2-one and 5-hydroxy-6-(4-cinnamoyl-3-methyl-1-oxobutyl)-4-n-propyl-2′,2′-dimethyl-2H,6H-benzo [1,2-b:3,4-b′]-dipyran-2-one, besides two known prenylated 4-phenylcoumarins, 7-hydroxy-8-(4-cinnamoyl-3-methyl-1-oxobutyl)-4-phenyl-2′,2′-dimethyl 2H,6H-benzo[1,2-b:3,4-b′]-dipyran-2-one and 5-hydroxy-6-(4-cinnamoyl-3-methyl-1-oxobutyl)-4-phenyl-2′,2′-dimethyl-2H,6H-benzo [1,2-b:3,4-b′]-dipyran-2-one, were isolated from the hexane extract of stems of Kielmeyera argentea. These compounds were identified by comparison with literature data, and their spectroscopic properties. |
Keywords: | Kielmeyera argentea Guttiferae stems 4-n-propylcoumarin neoflavonoid |
URI: | http://www.repositorio.ufba.br/ri/handle/ri/8254 |
Issue Date: | 1998 |
Appears in Collections: | Artigo Publicado em Periódico (Química) |
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