Nucleophilic intramolecular attack leading to 1,3-dimethyl-5H-pyrazolo[1′,2′:1,2][1,2,3]triazolo[3,2-a]-phenazin-4-ium inner salt (3) is the fate of the title nitrene with little intermolecular hydrogen abstraction from the solvent and no intramolecular radical attack. The same behaviour is observed from both the singlet and triplet states of this nitrene.
A. Albini, G. F. Bettinetti and G. Minoli, J. Chem. Soc., Perkin Trans. 1, 1981, 4 DOI: 10.1039/P19810000004
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