Journal of the Chemical Society. Perkin transactions II p. 399 - 402 (1981)
Update date:2022-08-16
Topics:
Banjoko, Olayinka
Otiono, Paul
The kinetics of the reaction of phenyl 2,4,6-trinitrophenyl ether with aniline have been investigated as a function of the amine concentration in methanol,acetonitrile, tetrahydrofuran, ethyl acetate, and benzene.Base catalysis was observed in all the solvents.The second-order rate constant kA shows a linear correlation with the aniline concentration except in benzene where the linearity is with the square of the aniline concenration.The k3B/k2 ratios for the solvents provide information on the mechanism of the uncatalysed decomposition of the intermediate formed in nucleophilic aromatic substitution.A mechanism is proposed for the base-catalysed pathway in solvents of low dielectric constant and basicity.
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