Collect. Czech. Chem. Commun. 1980, 45, 2054-2062

Perturbation theory of substituent effect. Quantum chemical study of the positive bridging effect

Robert Ponec

Institute of Chemical Process Fundamentals, Czechoslovak Academy of Sciences, 165 02 Prague 6-Suchdol


Mechanism of the so-called positive bridging effect was studied on the basis of an equation which can be viewed as a quantum chemical analogue of the Hammett equation. From this study it follows that the effect is presumably due to solvation effects of the reaction medium.