SEARCH Articles Figures Tables 2 -Electron-2 -proton transfer Complex Coupling Electron coupled Electron coupled transfers Electron coupling Electron metal complexes Electron proton Electron protonation Electron transfer complexation Electron transfer coupling Electron transfer electronic coupling Electron transfer metalation Electron-proton coupling Electron-transfer complexes Electronic coupling Metal electron transfer Metal transfer Proton complexes Proton coupled electron transfer Proton coupling Proton transfer complexes Proton transfer coupled Proton-coupled electron transfer complexes Proton-transfer metallation Protonated complex