Nitrones undergo useful transformations with Burgess reagent. The reaction ostensibly involves a [3 + 2] annulation across a σ-bond followed by rearrangement involving C-to-N aryl migration. On the basis of available experimental evidence, plausible mechanisms for the rearrangement and the overall conversion have been proposed.
T. S. Sajitha, S. Prathapan and P. A. Unnikrishnan, RSC Adv., 2014, 4, 44689 DOI: 10.1039/C4RA06835A
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