Process for the continuous preparation of aminoaryl or...

Details Process for the continuous preparation of aminoaryl or... Process for the continuous preparation of aminoaryl or...

C - Chemistry, Metallurgy

07

C

C07C 315/04 (2006.01) C07C 317/26 (2006.01) C07C 317/36 (2006.01)

Patent

CA 2066799

Abstract HOE 91/F 115 Process for the continuous preparation of aminoaryl or aminoalkyl .beta.-sulfatoethyl sulfones. In the process for the continuous preparation of amino- aryl or aminoalkyl .beta.-sulfatoethyl sulfones by reaction of the corresponding .beta.-hydroxyethyl sulfones with sulfuric acid in a molar ratio of 1:1 to 1:1.15 at temperatures above 120°C a mixture of a .beta.-hydroxyethyl sulfone with sulfuric acid is supplied to a fluidized bed of end product produced by recycling and mechanical stirring. The mixture is reacted at 100 to 200°C.

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