Journal
TETRAHEDRON LETTERS
Volume 51, Issue 52, Pages 6856-6859Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2010.10.102
Keywords
Asteraceae; Mikania; Mikania laevigata; Guaco-cheiroso
Categories
Funding
- FAPESP
- CAPES
- CNPq
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A new phenylpropanoid and two new diterpenes were isolated from the leaves of the plant Mikania laevigata Shultz Bip. ex Baker. The structures of these compounds were established by 1D- and 2D-nuclear magnetic resonance spectroscopic techniques and mass spectrometry data. Taraxerol, lupeol, coumarin, syringaldehyde, trans-melilotoside, cis-melilotoside, adenosine, patuletin 3-O-beta-D-glucopyranoside, kaempferol 3-O-beta-D-glucopyranoside, quercetin 3-O-beta-D-glucopyranoside, methyl 3,5-di-O-caffeoyl quinate, and 3,3',5-trihydroxy-4',6,7-trimethoxyflavone were isolated too. In addition, the compounds dihydrocoumarin, spathulenol, caryophyllene oxide, kaurenoic acid, beyerenoic acid, and lupeol acetate were identified by GC-MS. (C) 2010 Elsevier Ltd. All rights reserved.
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