Synthesis of 4-Halo-2 ( 5H )-furanones and Their Suzuki-Coupling Reactions with Organoboronic Acids.A General Route to 4-Aryl-2 ( 5 H ) - furanones
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摘要:
4-Halo-2(5H)-furanones were prepared by the halolactoniza-tion of 2,3-allenoic acids.The subsequent Suzuki coupling reaction of 4-halo-2(5H)-furanones with aryl boronic acids was carried out to produce 4-aryl-2(5H).furanones in excellent yields.``