Conclusions
The reaction of phenylhydrazine with 1,1-dicyano-2,2-bis(trifluoromethyl)ethylene leads to 5-amino-3,3-bis(trifluoromethyl)-1-phenyl-4-cyano-4-pyrazoline, whose structure was proven by x-ray diffraction analysis.
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Literature cited
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2417–2419, October, 1988.
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Komarov, K.V., Chkanikov, N.D., Sereda, S.V. et al. 5-Amino-3,3-bis(trifluomethyl)-1-phenyl-4-cyano-4-pyrazoline. Russ Chem Bull 37, 2180–2182 (1988). https://doi.org/10.1007/BF00953436
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DOI: https://doi.org/10.1007/BF00953436