SEARCH Articles Figures Tables 1,4-7/Addition intermediate Additive group additions Carbanion addition Carbanionic intermediate Carbanionic nucleophile Carbanions addition Carbanions intermediates Electron addition Electron withdrawal Electron withdrawers Electron withdrawing groups Electron-withdrawing groups intermediates Group additivity Nucleophile intermediate Nucleophiles groups Nucleophilic addition carbanions Nucleophilic groups