The authentic sec-butylterephthalic acid (11) obtained from I11 melted at 253.5-264" and did not depress the melting point of the acid I1 obtained from the oxidation of I with dilute nitric acid. These reactions also establish the fact that the migrating see-butyl radical did not
[Welsh; Hennion Journal of the American Chemical Society, 1941 , vol. 63, p. 2603 Full Text View citing articles Show Details Toussaint; Hennion Journal of the American Chemical Society, 1940 , vol. 62, p. 1145]
