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Type: Artigo de periódico
Title: Prenylated Flavonoids From Deguelia Hatschbachii And Their Systematic Significance In Deguelia.
Author: Magalhães, A F
Tozzi, A M
Magalha s, E G
de Souza Moraes, V R
Abstract: Chemical investigation of dichloromethane and petrol extracts from the roots of D. hatshbachii A. M. G. Azevedo furnished thirteen compounds from which five are described for the first time and their structures were determined to be 3-(4'-hydroxyphenyl)-5-methoxy-6-( 3,3-dimethylallyl)-22-dimethylchromene-(5,6:8,7)-3-(propyl-2-one)-4H-1-benzo-2,3-dihydropyran-2,4-dione; 6,4'-dihydroxy-3-(3,3-dimethylallyl)-2,2-dimethylchromene (5,6:5,4)-2-methoxy deoxybenzoin; 6.4'-dihydroxy-3-(3,3-dimethylallyl)-2,2-dimethylchromene (5,6:5,4)-2-methoxy-8-(propyl-2-one) deoxybenzon; 6-(3,3-dimethylallyl)-2,2-dimethylchromene (5,6:4.5)-4'-hydroxy-3-methoxy stilbene and 3,5-dimethoxy-4'-hydroxy-4-(3,3-dimethylallyl) stilbene by spectral analysis (UV, IR, MS and ID- and 2D- NMR experiments). The root extracts and some isolated compounds were bioactive, as revealed by bioautography and brine shrimp lethality assays.
Subject: Fabaceae
Molecular Structure
Plant Roots
Plants, Medicinal
Spectrum Analysis
Citation: Phytochemistry. v. 57, n. 1, p. 77-89, 2001-May.
Rights: fechado
Identifier DOI: 
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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