SEARCH Articles Figures Tables Aromatic Substitution by Electrophiles (Lewis Acids, E 2 Electrophilic Substitutions in Syntheses of Benzene erivatives Multicomponent Synthesis of Annelated Thiopyranones by Coupling-Addition-Nucleophilic Aromatic Substitution Sequence Substitution synthesis Synthesis of Alcohols by Nucleophilic Substitution Synthesis of C-substituted imidazoles and benzimidazoles by electrophilic substitution