Conclusions
The reaction of vinylidenediphosphonic acid with primary aliphatic amines, ammonia, and hydrazine has been studied under ambiguous reaction conditions. Chromatography on a strongly acidic cation exchanger has been proposed for the separation of the reaction mixtures obtained.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimiya, No. 5, pp. 1122–1126, May, 1984.
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Alfer'ev, I.S., Mikhalin, N.V. & Kotlyarevskii, I.L. Addition of nucleophilic agents to vinylidenediphosphonic acid. Russ Chem Bull 33, 1031–1035 (1984). https://doi.org/10.1007/BF01141719
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DOI: https://doi.org/10.1007/BF01141719