Process for the preparation of acyloxyalkanesulfonates having im

Details Process for the preparation of acyloxyalkanesulfonates having im Process for the preparation of acyloxyalkanesulfonates having im

1996-03-27

1998-07-07

Gerstl, Robert

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

560266, C07C30322

Patent

active

057771405

ABSTRACT:
Process for the preparation of acyloxyalkanesulfonates having improved properties The acyloxyalkanesulfonates are obtained in accordance with the invention by direct esterification in which at least one fatty acid is esterified with at least one ammonium hydroxyalkanesulfonate of the formula HO-A-SO.sub.3.sup.- + NR.sup.1 R.sup.2 R.sup.3 R.sup.4 in which A is a C.sub.2 -C.sub.4 -alkylene and R.sup.1.sub.1 R.sup.2.sub.1 R.sup.3 and R.sup.4 are hydrogen or a C.sub.1 -C.sub.4 -alkylene group in the presence of an esterification catalyst at a temperature of not more than 200.degree. C., with removal of the water present. This process gives a product of high acyloxyalkane-ammonium sulfonate content without the need for a consistency regulator to be added.

REFERENCES:
patent: 5384421 (1995-01-01), Day et al.
patent: 5473089 (1995-12-01), Gutsche et al.

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