Mikanolide from Jamaican Mikania micrantha.
作者： Mohammed Bakir , Petrea C. Facey , Ishmael Hassan , Willem H. Mulder , Roy B. Porter
DOI: 10.1107/S0108270104017809
关键词:
摘要: Mikanolide [systematic names: 1,10:2,3-diepoxy-6,8-dihydroxy-11-vinylgermacr-4-ene 12,14-di-γ-lactone and 7,10a-dimethyl-1a,1b,2a,6a,7,9a,10,10a-octahydro-4H-6,3-methenofuro[3,2-c]bisoxireno[f,h]oxacycloundecin-4,8(6H)-dione], C15H14O6, derived from a variety of Mikania micrantha growing in Portland, Jamaica, contains methylcyclodecane ring fused to an unsaturated planar α,γ-lactone, envelope-type near-planar vinyl-β,γ-lactone two epoxide moieties. The crystal packing shows stacks mikanolide molecules interlocked via network non-classical C—H⋯O hydrogen bonds between the lactone units.
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