Mechanistic Assessment of SNAr Displacement of Halides from 1-Halo-2, 4-dinitrobenzenes by Selected Primary and Secondary Amines: Brønsted and Mayr …

IH Um, LR Im, JS Kang, SS Bursey…

Index: Um, Ik-Hwan; Kim, Eun-Hee; Kang, Ji-Sun Organic and Biomolecular Chemistry, 2011 , vol. 9, # 23 p. 8062 - 8067

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Citation Number: 27

Abstract

Pseudo-first-order rate constants (k obsd) have been measured spectrophotometrically for nucleophilic substitution reactions of 1-X-2, 4-dinitrobenzenes (1a–d, X= F, Cl, Br, I) with various primary and secondary amines in MeCN and H2O at 25.0±0.1° C. The plots of k