SEARCH Articles Figures Tables Allylic position nucleophilic substitution Azine substitution —cont at ortho position Azine substitution —cont at para position Azine substitution —cont positional reactivity Bridgehead positions electrophilic substitution Bridgehead positions nucleophilic substitution Effects 1- position substitution Electrophilic aromatic substitution position selectivity Nucleophilic acyl substitution position Nucleophilic substitution benzylic position Nucleophilic substitution positional selectivity Nucleophilic substitution—continued positional activity Prolines Substituted at the 4-Position REACTIONS BETWEEN ELEMENTS AND COMPOUNDS SUBSTITUTION BY POSITIVE IONS Reactivity effects substitutent positive charge interaction Substitution Reactions at the Allylic Position Substitution at the 1- and 2-Positions Substitution at the 3-Position Substitution, electrophilic ipso position The Influence of Isotopic Substitution on Band Position Variable substitution position