Process for preparing phosphonic acids

Details Process for preparing phosphonic acids Process for preparing phosphonic acids

1986-05-12

1987-06-02

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2605025D, 558132, C07F 938, C07F 940

Patent

active

046701931

ABSTRACT:
A process for preparing phosphonic acids of the structure ##STR1## wherein R.sub.1 is lower alkyl, aryl, cycloalkyl or arylalkyl, and R.sub.2 is H, benzyl or ##STR2## by oxidizing the corresponding phosphonous acid ##STR3## employing as the oxidizing agent potassium permanganate or sodium periodate.

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Kosolapoff et al., "Organic Phosphonous Compounds", Wiley-Interscience, N.Y., 1972, vol. 4, pp. 288 and 294-295 and vol. 7, p. 11.
Mehrotra, Can. J. Chem., 63 663 (1985) "Kinetics and Mechanisms of Oxidations by Metal Ions, Part IV-- Oxidation of Phenylphosphinic Acid by Aquavanadium (V) Ions".
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