title: First example of a taxane-derived propellane in Taxus canadensis needles.
abstract: The first example of a propellane isolated from the needles of a yew is reported; the biogenesis from a putative taxane precursor is proposed.
authors.affiliation: Human Health Research Center, INRS-Institut Armand-Frappier, Université du Quebec, 531 Boulevard des Prairies, Laval, Quebec, Canada H7V 1B7.
authors.forename: Qing Wen
authors.initials: QW
authors.lastname: Shi
authors.forename: Françoise
authors.initials: F
authors.lastname: Sauriol
authors.forename: Orval
authors.initials: O
authors.lastname: Mamer
authors.forename: Lolita O
authors.initials: LO
authors.lastname: Zamir
mesh_terms: D001952:Bridged-Ring Compounds / Q000737:chemistry* / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D008958:Models, Molecular; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry; D016339:Spectrometry, Mass, Fast Atom Bombardment; D013237:Stereoisomerism; D043823:Taxoids; D020946:Taxus / Q000737:chemistry*
chemical_list: C473965:2alpha,9alpha,10beta-triacetoxy-5alpha-hydroxy-3,11-cyclo-12,20-cyclotaxa-13-one; D001952:Bridged-Ring Compounds; D043823:Taxoids; C080625:taxane