Quarternary ammonium salts of sulfonated triarylphosphines

Details Quarternary ammonium salts of sulfonated triarylphosphines Quarternary ammonium salts of sulfonated triarylphosphines

C - Chemistry, Metallurgy

07

F

260/593.5, 260/5

C07F 9/50 (2006.01)

Patent

CA 1244834

ABSTRACT OF THE DISCLOSURE The invention relates to new quaternary ammonium salts of di and trisulfonated triarylphosphines. The salts are of Formula I Image wherein Ar1, Ar2, and Ar3 are each independently an aryl; X1, X2, and X3 are each independently a sulfogroup; y1, y2, and y3 are each independently 0 or 1, provided that their sum is at least 1; A is an alkyl, hydroxyalkyl, aralkyl, or aryl having 6-25 carbon atoms; B, C, and D are straight chain or branched alkyl having 1-4 carbons; and n is a whole number of 1-3. The salts are useful as components of water-soluble catalyst systems which also contain metals, in particular noble metals, for the reaction of organic compounds in two-phase systems comprising an organic and an aqueous phase.

482940

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