Preparation of bis(4-halophenyl)phenylphosphine oxide

Details Preparation of bis(4-halophenyl)phenylphosphine oxide Preparation of bis(4-halophenyl)phenylphosphine oxide

1986-10-03

1988-07-26

Shaver, Paul F.

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

Organic compounds

Phosphorus containing

C07F 902

Patent

active

047601914

ABSTRACT:
The invention is the preparation of bis(4-halophenyl)phenylphosphine oxide from phenylphosphorus dihalide by a method wherein the dihalide is reacted with 4-halophenyl magnesium to produce the phosphine which is oxidized using alcohol in the presence of a halocarbon solvent to produce the phosphine oxide product of this invention.

REFERENCES:
patent: 3532774 (1970-10-01), Maier
patent: 3624159 (1971-11-01), Dagani
patent: 3763241 (1973-10-01), Dagani
patent: 3927113 (1975-12-01), Reuter et al.
patent: 4032603 (1977-06-01), Kaschuba et al.
patent: 4642366 (1987-02-01), Honig et al.
"Organic Synthesis", 54, pp. 63-67 (1984).
"Canadian J. of Chem.", 46, pp., 86-87 (1968).

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