New taxanes from the needles of Taxus canadensis.
Nine minor taxanes were identified for the first time in the Canadian yew needles. Four of these metabolites are new: 5-epi-cinnamoylcanadensene (1), 2,9,10, 13-tetraacetoxy-20-cinnamoyloxy-taxa-4(5),11(12)-diene (2), 2'-acetyl-epi-taxol (3), and 9-deacetyltaxinine E (4).
Human Health Research Center, INRS-Institut Armand-Frappier, Universite du Quebec, 531 Boulevard des Prairies, Laval, Quebec, Canada.
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Zhang
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Sauriol
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Mamer
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Zamir
D001952:Bridged-Ring Compounds / Q000737:chemistry / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D016339:Spectrometry, Mass, Fast Atom Bombardment; D043823:Taxoids; D014197:Trees / Q000737:chemistry*
D001952:Bridged-Ring Compounds; D043823:Taxoids; C080625:taxane