Conclusions
The salt of a new completely aromatic ammonium cation, namely 4, 4-diphenyl-7-oxodibenzo-1, 4-dihydrodiazepinium iodide, was obtained, the structure of which was confirmed by qualitative tests with silver hydroxide, aqueous NaOH solution, and nitrosylsulfuric acid.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1096–1101, May, 1973.
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Nesmeyanov, A.N., Tolstaya, T.P., Grib, A.V. et al. Synthesis of 4,4-diphenyl-7-oxodibenzodihydro-1,4-diazepinium salts. Russ Chem Bull 22, 1052–1056 (1973). https://doi.org/10.1007/BF00854248
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DOI: https://doi.org/10.1007/BF00854248