SEARCH Articles Figures Tables Electron deficiency Electron involving Electron-Deficient C2 Fragments (Cycloadditions Involving Azomethines, Nitrones, Nitrile Oxides, and Dienes) Involving electron-deficient heteroatoms Reactions Involving Carbenes, Nitrenes, and Other Electron-Deficient Intermediates Reactions Involving Radicals, Electron-Deficient Species, Reducing Agents, and at Surfaces Rearrangement involving electron-deficient Rearrangements Involving Electronically Deficient Nitrogen Atoms