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Kinetics of benzonitrile nitration with mixed acid under homogeneous conditions

✍ Scribed by R. Andreozzi; A. Insola; T. Aquila; V. Caprio

Publisher: John Wiley and Sons
Year: 1993
Tongue: English
Weight: 249 KB
Volume: 25
Category: Article
ISSN: 0538-8066
DOI: 10.1002/kin.550250907

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✦ Synopsis

Chemical kinetics of benzonitrile nitration with mixed acid is investigated in the temperature range 283-299 K. Pseudo-first-order rate constants are evaluated by means of rate experiments on homogeneous reacting mixtures having large stoichiometric excesses of nitric acid.

The second-order kinetic constants for nitronium ion attack to the aromatic substrate are derived on the basis of the assessed nitration mechanism. An activation energy of 604 2 37 kJ mol-l is calculated for this reaction step.

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