The kinetics of bromine exchange between p-Nitrobenzyl bromide and some ionic bromides in liquid sulphur dioxide
Rao, Kestur Narayana
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The influence of the counter ion on the reactivity of a nucleophilic anion has not been extensively investigated. A survey of the literature shows that there is some evidence that the reactivity of the ionic nucleophile is modified by ionic association. This problem is intimately connected with the relationship between ion pairs which are counted by conductivity and ion pairs which are kinetically significant. The dissociation constants for a number of ionophores are known in liquid sulfur dioxide at several temperatures and it is a good ionizing solvent. Accordingly, the exchange of radiobromine between p-nitrobenzyl bromide and ionic bromides was studied in liquid sulfur dioxide (Eq. 1). [TRUNCATED]
Thesis (Ph.D.)--Boston University
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