Sulfonated phosphines, processes for their preparation, and use

Details Sulfonated phosphines, processes for their preparation, and use Sulfonated phosphines, processes for their preparation, and use

1997-02-18

1998-07-14

McKane, Joseph

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

Organic compounds

Sulfonic acids or salts thereof

C07F 928

Patent

active

057806748

ABSTRACT:
Sulfonated phosphines of the formula ##STR1## in which R is cyclohexyl or alkyl having 1 to 4 carbon atoms, M is hydrogen, alkyl substituted ammonium, aryl substituted-ammonium, monovalent metal, or the chemical equivalent of a polyvalent metal, x is 1, 2, or 3 and n is 0 or 1. These compounds are obtained by sulfonation of the non-sulfonated parent substances with oleum or an anhydrous mixture of sulfuric acid and orthoboric acid.

REFERENCES:
patent: 4835202 (1989-05-01), Pastor et al.

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