Abstract
The reactions of 6-hydrazinophenanthridine with phthaloyl chloride and isocyanates occur at the hydrazo group. Acylation of this hydrazidine by diethyloxalate or oxidation of the hydrazones obtained from it lead to annelated 1,2,4-triazoles.
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References
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Additional information
Institute of Technical Chemistry, Urals Branch, Russian Academy of Sciences, Perm' 614000, Russia. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 186–189, February, 1998.
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Mikhailovskii, A.G. Study of 6-hydrazinophenathridine in acylation and annelation reactions of the 1,2,4-triazole ring. Chem Heterocycl Compd 34, 163–166 (1998). https://doi.org/10.1007/BF02315177
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DOI: https://doi.org/10.1007/BF02315177