Chemical Constituents from Bombacopsis glabra (Pasq.) A. Robyns: Complete 1H and 13C NMR Assignments and X Ray Structure of 5-Hydroxy-3,6,7,8,4'-pentamethoxyflavone
The flavone 5-hydroxy-3,6,7,8,4'-pentamethoxyflavone (1) and the triterpenes lupenone, 9,19-cyclolanost-23-ene-3beta,25-diol (2), (24R)-9,19-cyclolanost-25-ene-3beta,24-diol (3) and (24S)-9,19-cyclolanost-25-ene-3beta,24-diol (4) were isolated from the hexane extract of the stem bark of Bombaco...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
Sociedade Brasileira de Química
2002-01-01
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Series: | Journal of the Brazilian Chemical Society |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532002000200022 |