Process for manufacturing triphenylphosphine

Details Process for manufacturing triphenylphosphine Process for manufacturing triphenylphosphine

1979-05-21

1981-02-03

Sneed, Helen M. S.

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

Organic compounds

Phosphorus containing

C07F 950

Patent

active

042490235

ABSTRACT:
A process is disclosed for producing triphenylphosphine in which a triphenylphosphine dichloride-chloroform adduct, obtained by reacting triphenylphosphine oxide with phosgene in chloroform, is reduced with hydrogen. The reduction proceeds in a chloroform solvent or in the absence of a solvent.

REFERENCES:
patent: 3261871 (1966-07-01), Fritzsche et al.
patent: 3280195 (1966-10-01), Fritzsche et al.
patent: 3405180 (1968-10-01), Natoli
patent: 3481988 (1969-12-01), Wunsen
patent: 3751481 (1973-08-01), Weinberg
patent: 3855310 (1974-12-01), Chopdekar
Masaki et al., Angew. Chemie 89 558 (1977).

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