Preparation of acyloxy benzene sulfonate

Details Preparation of acyloxy benzene sulfonate Preparation of acyloxy benzene sulfonate

C - Chemistry, Metallurgy

07

C

260/489, 260/453

C07C 69/00 (2006.01) C07C 303/06 (2006.01) C07C 309/29 (2006.01) C07C 309/42 (2006.01) C11D 1/22 (2006.01)

Patent

CA 1273353

PREPARATION OF ACYLOXY BENZENE SULFONATE ABSTRACT A process is provided for making acyloxy benzene sulfonates by the steps of sulfonating, with SO3, digesting the sulfonation adduct, and neutralizing. The sulfonation adduct can spontaneously rearrange. Unless the rearrangement is controlled as taught in the sulfonating and digesting steps, product yields of acyloxy benzene sulfonate drop to unusable levels and the color of the product is poor and the content of by-products is excessive in the product.

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