The reactions of 4-chloro-3-nitropyridine (4), 2-chloro-5-nitropyridine (5), and 2,4-dichloropyrimidine (11) with benzyl N-hydroxy-N-phenylcarbamate (6a) resulted in the introduction of the 2-aminophenyl group into the heterocycle. Mechanistic aspects of the reaction and its relationship with the benzidine rearrangement are discussed.
T. Sheradsky, E. Nov and S. Avramovici-Grisaru, J. Chem. Soc., Perkin Trans. 1, 1979, 2902 DOI: 10.1039/P19790002902
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