Process for the preparation of sulfonated aryl phosphine

Details Process for the preparation of sulfonated aryl phosphine Process for the preparation of sulfonated aryl phosphine

1983-09-20

1984-11-20

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260505N, 260505P, 260505R, C07C14324

Patent

active

044838026

ABSTRACT:
A process for the preparation of mono, di or trisulfonated aryl phosphines whereby triaryl phosphine is sulfonated with oleum at 0.degree. to 40.degree. C. After dilution of the reaction product with water, the sulfonated triaryl phosphine is extracted with an amine dissolved in an organic solvent; both the amine and organic solvent being insoluble in water. From the organic phase the sulfonated phosphine is transferred to the aqueous phase by treatment with an aqueous solution of a base.

REFERENCES:
patent: 4110366 (1978-08-01), Tamabayashi et al.
J. Chem. Soc. 1958, pp. 281, 282.

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