Synthesis of aliphatic aromatic phosphine oxides

Details Synthesis of aliphatic aromatic phosphine oxides Synthesis of aliphatic aromatic phosphine oxides

1989-06-14

1991-02-05

Sutto, Anton H.

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

Organic compounds

Phosphorus containing

C07F 902

Patent

active

049906747

ABSTRACT:
Disclosed is a method of making an aliphatic aromatic phosphine oxide by reacting an aliphatic aromatic phosphinic acid with a halogenating agent to produce a phosphoryl halide, reducing the phosphoryl halide to a phosphinous halide, hydrolyzing the phosphinous halide with water to produce a mixture of a phosphine and a phosphine oxide, determining how much phosphine is present in said mixture, and adding sufficient oxidizing agent to oxidize the phosphine in the mixture to the corresponding phosphine oxide. Octylphenyl phosphine oxide is preferred. The phosphine oxides are useful in making extractants for extracting actimides and lanthanides.

REFERENCES:
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patent: 3833662 (1974-09-01), Staendelve et al.
patent: 3931196 (1976-01-01), Swan
patent: 4481151 (1984-11-01), Kleiner
patent: 4632995 (1986-12-01), Kleiner
patent: 4708824 (1987-11-01), Kleiner
Hietkany, Chem Ber 117, 3400 (1984).
Nosolapoff, "Organophosphoras Compounds" pp. 138 & 139.
Kosolaloff et al., "Organic Phosphoral Compounds", vol. 1, pp. 19826, vol. 4 pp. 156-7.

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