Abstract:The reactivity of 6-quinolinyl and 8-quinolinyl N,N-dimethylcarbamates was examined in several aqueous basic media. A quadratic dependence was observed for the constant rates upon hydroxide concentration for both compounds, which is a typical behaviour of a mechanism involving a base-catalysed deprotonation of the tetrahedral intermediate with the formation of a dianion at high concentrations of hydroxide ion, while at lower concentrations a specific-base catalysed addition-elimination mechanism seems to be pr… Show more
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