Process for preparing alkane bis-dihalophosphines

Details Process for preparing alkane bis-dihalophosphines Process for preparing alkane bis-dihalophosphines

1975-09-15

1976-08-24

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 2R, 526 57, 526193, 526319, 526346, C07F 952

Patent

active

039766900

ABSTRACT:
Alkane bis-dihalophosphines are prepared by reacting an olefin with a trivalent phosphorus compound having three halogens attached thereto, such as phosphorus trichloride, in the presence of elemental phosphorus under at least autogenous pressure at a temperature of from 150.degree.C. to 350.degree.C. The compounds obtained are useful as intermediates in preparing organophosphorus compounds which can be used as insecticides, fungicides, pharmaceuticals, flame retardant compounds, and in forming metal complexes which are catalyst activators.

REFERENCES:
patent: 2685602 (1954-08-01), Woodstock et al.
patent: 2852565 (1958-09-01), Noyaki
patent: 3206508 (1965-09-01), Vilcsek et al.
patent: 3397122 (1968-08-01), Sennewald et al.

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