Oxidation and reductive bromination of Bis(4-tert-butylphenyl)aminoxyl
摘要:
One-electron oxidation of bis(4-tert-butylphenyl)aminoxyl with antimony pentachloride and bromine leads to the formation of oxoammonium salts with anions SbCl (6) (-) and Br (3) (-) respectively. The salt with the Br (3) (-) anion converted at heating into a mixture of bromodiphenylamines which formed also from the aminoxyl as a result of previously unknown reaction of three-electron reductive bromination. The mechanisms of these reactions were assumed.
Reductive bromination of N, N-bis(4-tert-butylphenyl)hydroxylamine
作者:V. A. Golubev、Yu. D. Kim
DOI:10.1007/s11172-019-2556-6
日期:2019.6
Unlike most arenes, N, N-bis(4-tert-butylphenyl)hydroxylamine reacts with Br2via the reductive bromination mechanism. Here, two hydrogens in ortho positions of benzene rings are substituted by Br2 and provide two-electron reduction of hydroxylamine to amine.