title: Phragmalin-type limonoid orthoesters from the twigs of Swietenia macrophylla.
abstract: Eleven new phragmalin-type limonoids, swietenitins N-X (1-11), together with a known one, epoxyfebrinin B (12), were isolated from the twigs of Swietenia macrophylla. The structures of the new compounds were established on the basis of spectroscopic methods, and that of compound 1 was confirmed by single-crystal X-ray diffraction. The stereochemistry of epoxyfebrinin B (12) was fully assigned in this study.
authors.affiliation: State Key Laboratory of Drug Research, Institute of Materia Medica, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences.
authors.forename: Bing-Dong
authors.initials: BD
authors.lastname: Lin
authors.forename: Chuan-Rui
authors.initials: CR
authors.lastname: Zhang
authors.forename: Sheng-Ping
authors.initials: SP
authors.lastname: Yang
authors.forename: Yan
authors.initials: Y
authors.lastname: Wu
authors.forename: Jian-Min
authors.initials: JM
authors.lastname: Yue
mesh_terms: D018360:Crystallography, X-Ray; D036701:Limonins / Q000737:chemistry* / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D029582:Meliaceae / Q000737:chemistry*; D008968:Molecular Conformation
chemical_list: D036701:Limonins