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Methylpyrrole Tropane Alkaloids from the Bark of Erythroxylum vacciniifolium

Zanolari, Boris
Guilet, David
Marston, Andrew
Queiroz, Emerson Feirrera
de Queiroz Paulo, Marçal
Published in Journal of Natural Products. 2005, vol. 68, no. 8, p. 1153 - 1158
Abstract Nine new tropane alkaloids substituted by a methylpyrrole moiety were isolated from the bark of Erythroxylum vacciniifolium, a Brazilian endemic plant used in traditional medicine and locally known as catuaba. All compounds were elucidated as tropanediol or -triol alkaloids esterified by at least one 1-methyl-1H-pyrrole-2-carboxylic acid. One of the isolated compounds was identified as a tropane alkaloid N-oxide. Their structures were determined by high-resolution mass spectrometry and multidimensional NMR spectroscopy.
Keywords Genus erythroxylumStem-barkRoot-barkChemotaxonomyCatuabineMartius
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Other version: http://pubs.acs.org/doi/abs/10.1021/np040144h
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