Preparation of triphenylphosphine

Details Preparation of triphenylphosphine Preparation of triphenylphosphine

1994-08-03

1996-06-18

Nazario-Gonzales, Porfirio

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

Organic compounds

Phosphorus containing

568 17, C07F 902

Patent

active

055279660

ABSTRACT:
Triphenylphosphine (TPP) is prepared by reacting triphenylphosphine dichloride (TPPCl.sub.2) with magnesium, aluminum and/or iron in the presence of an inert solvent, employing a TPPCl.sub.2 solution whose content of phosgene, chlorine, diphosgene, hydrogen chloride, thionyl chloride, sulfuryl chloride, phosphorus trichloride, phosphorus oxychloride and/or aliphatic halogen compounds (active chlorine compounds) totals less than 1000 ppm Cl.

REFERENCES:
patent: 3405180 (1968-10-01), Natoli
patent: 3780111 (1973-12-01), Young et al.

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