SEARCH Articles Figures Tables 4-Substituted formation Aminal formation Aminals, formation Amination reactions formation Amination reactions nucleophilic substitution Amination, nucleophilic reactions Amine substitution Amines formation Amines, nucleophilicity Amines, substituted Nucleophile amines Nucleophiles amine formation Nucleophiles amine reaction Nucleophiles amines Nucleophiles formation Nucleophiles substitution reactions Nucleophilic amination Nucleophilic amines Nucleophilic substitution formate reactions Nucleophilic substitution formation Nucleophilic substitution reactions nucleophiles Substitution reactions nucleophile Substitution reactions nucleophilic