1969 Volume 42 Issue 12 Pages 3559-3564
Oxidation reactions of 2,4,6-tri-t-butylaniline with lead tetraacetate (LTA), lead tetrabenzoate (LTB), peroxybenzoic acid (PBA) and benzoyl peroxide (BPO) were studied and mechanisms of these reactions were briefly discussed. In the reaction with LTA, 4-acetoxy-1-imino-2,4,6-tri-t-butyl-2,5-cyclohexadiene (I), 2-acetamido-3,5-di-t-butylphenol (II) and 2-acetylimino-3,5-di-t-butyl-3,5-cyclohexadienone(III) were produced. Oxidation with LTB gave 4-benzoyloxy-1-imino-2,4,6-tri-t-butyl-2,5-cyclohexadiene (VI, major product) and 2-benzamido-3,5-di-t-butylphenol (VII). The reaction products with PBA were 2,4,6-tri-t-butylnitrosobenzene (VIII) and VII. In addition to the last two compounds, VI and 2,2′,4,4′,6,6′-hexa-t-butylazobenzene (XI) were obtained in the case of BPO.
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