Anilinolysis of reactive aryl 2, 4??dinitrophenyl carbonates: Kinetics and mechanism

EA Castro, C Domecq, JG Santos

Index: Castro, Enrique A.; Domecq, Claudia; Santos, Jose G. International Journal of Chemical Kinetics, 2011 , vol. 43, # 4 p. 191 - 197

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Abstract

Abstract The reactions of a series of anilines with phenyl 2, 4-dinitrophenyl (1), 4-nitrophenyl 2, 4-dinitrophenyl (2), and bis (2, 4-dinitrophenyl)(3) carbonates are subjected to a kinetic investigation in 44 wt% ethanol–water, at 25.0±0.1 C and an ionic strength of 0.2 M. Under amine excess pseudo-first-order rate coefficients (k obs) are obtained. Plots of k obs against free amine concentration at constant pH are linear, with slopes k N. The Brønsted plots ( ...

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