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À propos de : An Efficient Synthesis of4-Halo-5-hydroxyfuran-2(5H)-ones via theSequential Halolactonization andγ-Hydroxylation of 4-Aryl-2,3-alkadienoicAcids        

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  • An Efficient Synthesis of4-Halo-5-hydroxyfuran-2(5H)-ones via theSequential Halolactonization andγ-Hydroxylation of 4-Aryl-2,3-alkadienoicAcids
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  • 4-Halo-5-hydroxyfuran-2(5H)-ones were synthesized via the efficient sequential halolactonization−hydroxylation reaction of 4-aryl-2,3-allenoic acids with I2 or CuX2(X = Br or Cl) in moderate to good yields. The structures ofthe products were established by the X-ray single-crystaldiffraction study of 3-methyl-4-iodo-5-phenyl-5-hydroxyl-2(5H)-furanone (2a). A rationale for this reaction wasdiscussed based on some brief mechanistic study.
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