Reducing water sensitivity of strong acids

Details Reducing water sensitivity of strong acids Reducing water sensitivity of strong acids

C - Chemistry, Metallurgy

07

C

260/500.1

C07C 303/42 (2006.01) C07C 309/31 (2006.01) C07C 309/30 (2006.01)

Patent

CA 1274845

ABSTRACT A method of preventing crystallization by reducing the water sensitivity of a strong acid, such as p-toluene sulfonic acid, which comprises miring therewith an effective amount of a polar aprotic solvent such as N,N-dimethylformamide (DMF) or dimethyl sulfoxide (DMSO). By this method, the water sensitivity is reduced to levels whereby exposure of the acid to the atmosphere is possible without formation of crystals.

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