Mechanism of the AZO-coup ling of 2,6-dialkylphenols in nonaqueous medium

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  1. The conditions of azo-coupling of 2,6-dialkylphenols in aprotonic medium were developed.

  2. The kinetics of the azo-coupling of 2,6-dialkylphenols with p-benzoquinone diazide was studied spectrophotometrically.

  3. The reaction of azo-coupling proceeds through the step of formation of an intermediate quinolide compound, the decomposition of which determines the summary rate of the process.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2716–2720, December, 1969.