Production of 1-hydroxy-alkane-1,1-diphosphonic acids

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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C07F 938

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040692469

ABSTRACT:
A process for the production of 1-hydroxy-alkane-1,1-diphosphonic acids comprises reacting 1-amino-alkane-1,1-diphosphonic acids with nitrous acid, halides of nitrous acid or a substance forming nitrous acid under the reaction conditions.

REFERENCES:
patent: 3214454 (1965-10-01), Blazer et al.
Whitmore et al., "J. Am. Chem. Soc.", vol. 54, (1932), pp. 3441-3447.
Whitmore et al., "J. Am. Chem. Soc.", vol. 63, (1941), pp. 1118-1120.
Gray, "The Chemistry of Dinitrogen Tetroxide", 1958, p. 16.

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