Abstract
The aromatic nucleophilic substitution of 3,5-dinitro-4-chlorobenzoate with OH− was studied in the presence and absence of cationic polyelectrolytes. The cationic polyelectrolytes enhanced the reaction much more appreciably than did the low-molecular-weight electrolytes. The more hydrophobic the polyelectrolyte, the larger the rate enhancement. The acceleration observed was due to a decrease in the enthalpy of activation, as has been found for a variety of reaction systems studied previously.
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