期刊
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
卷 20, 期 5, 页码 935-U196出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532009000500019
关键词
Harpalyce brasiliana; flavanone; pterocarpans; NMR assignments
资金
- CNPQ
- CAPES
- PRONEX
- FINEP
- FUNCAP
The novel (-)-7,8,3',4'-trihydroxy-8-(3 '',7 ''-dimethyl-octa-2 '',6 ''-dienoyl)-flavanone was isolated from the EtOH extract from the roots of Harpalyce brasiliana (Leguminosae) together with the known pterocarpans(-)-2-geranyl-3-hydroxy-8,9-methylenedioxypterocarpan, harpalicin, medicarpin, maackiain and cabenegrins A-I and A-II. The isolated metabolites were characterized on the basis of spectroscopic data, mainly 1D and 2D NMR.
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