Halonium Ion Mediated Synthesis of 2‑Halomethylene-3-oxoketoxime Derivatives from Isoxazoline N‑Oxides
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A protocol for the N-bromosuccinimide (NBS)- and trichloroisocyanuric acid (TCCA)-mediated synthesis of novel 2-halomethylene-3-oxoketoximes via one-pot halogenation/oxidation of isoxazoline N-oxide derivatives is described here. The keto functionality of 3-ketoximes was selectively reduced by lithiumaluminum hydride to synthesize an unprecedented type of Baylis–Hillman oxime, which underwent N–O coupling to produce new isoxazoline N-oxide derivative.
创建时间：
2016-02-18
