Process for the preparation of tertiary phosphine oxides

Details Process for the preparation of tertiary phosphine oxides Process for the preparation of tertiary phosphine oxides

1986-09-09

1989-02-21

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

C07F 953

Patent

active

048066915

ABSTRACT:
Tertiary phosphine oxides are prepared by oxidation of tertiary phosphine sulfides using H.sub.2 O.sub.2 in a solvent comprising about 2-20% by weight of optionally halogenated lower aliphatic carboxylic acids and the remainder of mono- or polyhydric aliphatic or cycloaliphatic alcohols--if appropriate in mixtures with other inert solvents which are miscible with the carboxylic acid/alcohol mixture. Preferred solvents comprise acetic acid/methanol and acetic acid/ethanol mixtures.
The reaction products are final products and intermediates products in various specialized fields such as, for example, the plant protection sector and the polymers sector.

REFERENCES:
patent: 3988368 (1976-10-01), Ura et al.
patent: 4670601 (1987-06-01), Kleiner et al.
patent: 4675446 (1987-06-01), Weiss
Maier, L., Helv. Chim. Acta 47, 120 (1964) (p. 1).
Aguiar et al. J. Org. Chem. 34, 3349-52 (1969).

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