Abstract
X-ray diffraction structural analysis, IR,13C NMR, and PMR spectroscopy was used to establish that the products of the reactions of arylhydrazonoyl chlorides of ethyl oxalate and sodium ethylate are 1,4-diaryl-3,6-dicarboethoxy-1,4-dihydro-1,2,4,5-tetrazines and 1-aryl-3-carboethoxy-4-arylhydrazono-5-pyrazolones.
Literature cited
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V. I. Andrianov, Z. Sh. Safina, and B. L. Tarnopol'skii, Roentgen-75, Branch of the N. N. Semenov Institute of Chemical Physics, Academy of Sciences of the USSR, Chernogolovka (1975).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2635–2637, November, 1990.
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Lozinskii, M.O., Bodnar, V.N., Konovalikhin, S.V. et al. Unusual transformations of arylhydrazonoyl chlorides of ethyl oxalate. Russ Chem Bull 39, 2388–2390 (1990). https://doi.org/10.1007/BF00958861
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DOI: https://doi.org/10.1007/BF00958861