Process for the preparation of chloro(phenyl)phospines

Details Process for the preparation of chloro(phenyl)phospines Process for the preparation of chloro(phenyl)phospines

1985-06-28

1987-11-24

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568 14, 568 17, C07F 952

Patent

active

047088249

ABSTRACT:
Chloro(diphenyl)phosphine, (C.sub.6 H.sub.5).sub.2 PCl, is prepared by reaction of diphenylphosphinic acid chloride with triphenylphosphine at temperatures between about 300.degree. and about 600.degree. C. The initial P-O compound undergoes deoxygenation during the reaction.
The product of the process is useful as an intermediate in various specialized areas such as the plant-protection and polymer sectors.

REFERENCES:
patent: 3024278 (1962-03-01), Groenweghe
patent: 3094559 (1963-06-01), Cooper
patent: 3579576 (1971-05-01), Angstadt
patent: 3932524 (1976-01-01), Gourcez et al.
patent: 4521346 (1985-06-01), Kleiner
patent: 4521347 (1985-06-01), Kleiner

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