Kinetics and mechanism of the formation of N-vinyl pyridinium cations in elimination reactions in aqueous base

JW Bunting, A Toth, JP Kanter

Index: Bunting, John W.; Toth, Andrea; Kanter, James P. Canadian Journal of Chemistry, 1992 , vol. 70, # 4 p. 1195 - 1203

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Citation Number: 6

Abstract

The rates of the elimination reactions of N-(2-bromoethyl) pyridinium cations (1) and N, N'- ethylene bispyridinium dications (3) to give the corresponding N-vinyl pyridinium cations (2) have been measured spectrophotometrically in basic aqueous solutions (ionic strength 0.1, 25° C) for a variety of substituents in the pyridine rings of each of these classes of pyridinium cation. The reaction kinetics are first order in 1 or 3 and first order in hydroxide ion. ...