SEARCH Articles Figures Tables NUCLEOPHILIC ATTACK ON PROTONS ATTACHED TO RING ATOMS Nucleophiles proton transfer Nucleophiles rate-limiting proton transfer Nucleophilic Attack on Hydrogen Proton Abstraction) Nucleophilic Attack on Ring Hydrogen (Proton Abstraction) Nucleophilic Substitution by Proton Abstraction Nucleophilic addition-protonation Nucleophilic substitution alcohol protonation Nucleophilicity protonated vs. unprotonated Proton Abstraction - Activation of Water or Amino Acid Nucleophiles Proton assisted nucleophilic mechanism Proton removal nucleophilic substitution, competition with Proton transfer rate-limiting, in nucleophilic Schemes Generation of carbon nucleophiles by proton abstraction