Phosphonoformaldehyde, a process for its preparation and its use

Details Phosphonoformaldehyde, a process for its preparation and its use Phosphonoformaldehyde, a process for its preparation and its use

1981-10-05

1982-09-07

Evans, Joseph E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604656, 26050121, 424212, 546348, C07F 938, C07D21318

Patent

active

043483321

ABSTRACT:
The invention relates to phosphonoformaldehyde of the formula ##STR1## Also included in the invention is a method for the manufacture of said phosphonoformaldehyde in which a dialkoxymethane phosphonic acid is warmed with water (then reacted with a base if a salt is desired). Phosphonoformaldehyde is an intermediate for the manufactureof phosphonohydroxy acetic acid, which is an antiviral agent.

REFERENCES:
patent: 2900408 (1959-08-01), Blaser et al.
patent: 3032500 (1962-05-01), Milks et al.
patent: 3784590 (1974-01-01), Firestone
Warren, "Angew. Chem.", vol. 7, No. 8 (1968), pp. 608-617.
Morita et al., "Bull. Chem. Soc. Japan", vol. 51, (7), (1978), pp. 2169-2170.
Berlin et al., "J. Am. Chem. Soc.", vol. 86 (1964), pp. 3862-3866.
Ackerman et al., "J. Am. Chem. Soc.", vol. 78 (1956), pp. 4444-4447.
Kabachnik et al., "Chem. Abstracts", vol. 41 (1947), col. 88(d).

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