Recent Advances in the Aza-Claisen Rearrangement

This brief review article describes developments in the aza-Claisen rearrangement over the last nine years. in this article, the emphasis has been given to the various aspects of the aza-Claisen rearrangement, especially metal-mediated stereoselective transformation, zwitterionic aza-Claisen rearrangement and microwave-assisted aza-Claisen rearrangement.