Abstract
Some features of the results of kinetic studies of the ion-exchanged bentonite (montmorillonite) catalysed reactions, i.e. alk-1-ene + aliphatic acid → ester trimethyl orthoformate + ketone → acetal + formate primary amine + primary amine → secondary amine + NH 3 are described and are interpreted as indicating that : (i) Long-chain alk-1-ene homologues are intercalated from solution with the same partition coefficient. (ii) Given that a reaction mechanism can be justified, it appears to be possible to evaluate partition coefficient ratios, and with some approximation, intercalary rate constants. (iii) In competitive intercalation of the mixed amines used in this study, it appears likely that the less basic component is preferentially intercalated. It is concluded that properly designed kinetic experiments can allow derivation of quantitative data regarding intercalation, and thus extend understanding of the nature of the process.
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