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The reaction of 6-nitroazolo[5,1-c]triazines with O-methylated polyphenols, with pyrrole and its benzo analogues, and with thiophene has been studied. Methods for the reduction of the nitro group in the resulting σH-adducts and subsequent oxidative aromatisation have been developed.
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Gorbunov et al. (2018) studied this question.
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