SEARCH Articles Figures Tables Acid-base reactions at the a-carbon At carbon Nucleophilic Substitution Reactions at the Carboxyl Carbon Other Reactions at the Carbonyl Carbon Atom Radical Substitution Reactions at the Tetrahedral Carbon Atom Reactions at the Carbonyl Carbon of Acid Derivatives Reactions at the Carbonyl Group—Adding or Removing One Carbon Atom Reactions at the a Carbon of Carbonyl Compounds Enols and Enolates Reactions at the a-Carbon in Living Systems Reactions at the a-carbon Reactions at the y-carbon Second Example The SN2 Reaction at Saturated Carbon Selected SN Reactions of Heteroatom Nucleophiles at the Carboxyl Carbon Substitution Reactions of Carbonyl Compounds at the a Carbon