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Catalytic Beckmann rearrangement of ketoximes in ionic liquids
彭家建 / 邓友全
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Under mild conditions and without any additional organic solvents, Beckmann rearrangements of several ketoximes were performed in the catalytic media consisting of room temperature ionic liquid based on 1,3-dialkylimidazolium or alkylpyridinium salts and phosphorated compounds. Excellent conversion and selectivity was achieved for cyclohexanone oxime as the substrate, while Beckmann fragmentation of cyclopentanone oxime was observed.

★★★★☆ J. Peng, Y. Deng : Tetrahedron Letters 42 (2001) 403–405.