Abstract
Effect of a number of factors on the yield of nitroazobenzenes in the reaction of 4-nitro- and 4-dimethylaminobenzenediazonium tetrafluoroborates with anionic σ adducts derived from 1,3-dinitrobenzene was studied. Conditions were found which allow nitroazobenzenes to be prepared in 80-90% yield.
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Blokhina, N.I., Shakhkel'dyan, I.V., Atroshchenko, Y.M. et al. Reactions of Aromatic Nitro Compounds: LXXIV. Azo Coupling of Anionic Nitroarene σ-Complexes with Aromatic Diazo Compounds. Effect of Reaction Conditions on the Yield of Nitroazobenzenes. Russian Journal of Organic Chemistry 37, 401–403 (2001). https://doi.org/10.1023/A:1012440710073
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DOI: https://doi.org/10.1023/A:1012440710073