ChemInform Abstract: SUBSTITUENTENEFFEKTE BEI DER KONDENSATION VON NITROSOBENZOL MIT P‐ UND M‐SUBSTITUIERTEN ANILINEN IN NA‐ACETAT‐ESSIGSAEURE‐GEPUFFERTEM WAESSRIGEM AETHANOL

Yunes, Rosendo A.; Terenzani, A.; Andrich, O. D.; Scarabino, Carla

doi:10.1002/chin.197329163

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1994

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“…The condensation at pH smaller than about 9 follows second-order kinetics, first order each in nitrosobenzene and in aniline. [130][131][132][133][134][135][136][137] The reaction is general acid catalyzed131'135-137 and involves reaction with water and hydronium ions. Brpnsted plots of logarithms of catalytic constants as a function of pK& of the carboxylic acid components of the buffer used are linear and their slopes correspond to Brpnsted coefficient a varying from 0.39 to 0.34 for reactions of anilines with substituted nitrosobenzenes and from 0.34 to 0.28 for reactions of nitrosobenzenes with para-substituted anilines.…”

Section: ^Hmentioning

confidence: 99%