Orienting Laboratory Nitrations

While at Leeds from 1924 to 1930, Ingold s laboratory focused on three main topics of research (1) the nature and mechanism of orienting effects of groups in aromatic substitution (mainly nitration) (2) the study of prototropic rearrangements (shifts of H+) and aniontropic rearrangements (shifts of anions) as the ionic mechanisms of tautomerism and (3) the effect of polar substituents on the velocity and orientation of addition reactions to unsaturated systems. One of Ingold s students at Leeds, John William Baker, wrote a widely read book on tautomerism. 16... 

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