Process for the preparation of acyloxyalkanesulfonates...

Details Process for the preparation of acyloxyalkanesulfonates... Process for the preparation of acyloxyalkanesulfonates...

C - Chemistry, Metallurgy

07

C

C07C 309/12 (2006.01) C07C 303/32 (2006.01)

Patent

CA 2172944

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-SO3- +NR1R2R3R4 in which A is a C2-C4-alkylene and R1, R2, R3 and R4 are hydrogen or a C1-C4-alkylene group in the presence of an esterification catalyst at a temperature of not more than 200°C, with removal of the water pres- ent. This process gives a product of high acyloxyalkane- ammonium sulfonate content without the need for a consis- tency regulator to be added.

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