SEARCH Articles Figures Tables Electron-deficient nitrogen heterocycles Migration to Electron-Deficient Nitrogen Nitrogen, electron-deficient, migration Rearrangement to Electron-Deficient Nitrogen and Oxygen Rearrangements Involving Electronically Deficient Nitrogen Atoms Rearrangements to Electron-Deficient Nitrogen and Oxygen Centers Rearrangements to electron deficient nitrogen Routes via Electron-deficient Nitrogen Species