Some unusual products, like dimers, rotamers and ketone, were isolated from the reaction mixtures of vicarious nucleophilic substitution, involving nitroazoles and tertiary carbanions. Possible pathways of their formation are discussed.
Orientation of the VNS reaction in nitroaniline derivatives is mostly governed by the conjugation between the nitro groups and the amino group, which could be also deprotonated under the reaction conditions.
Selected examples of oxidative nucleophilic aromatic substitution in nitroarenes are discussed with emphasis on the authors results. Generalization of this process is attempted.
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