Perfluorobutane-1,4-disulfonic acid potassium salt → Bis(tris(4-t-butylphenyl)sulfonium) perfluorobutane-1,4-disulfonate

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Reaction Steps

Perfluorobutane-1,4-disulfonic acid potassium salt (0.1887 g) in 2 ml water was added to a solution of tris(4-t-butylphenyl)sulfonium triflate (0.5000 g) in 1.14 g methanol and stirred for 1 hour. This solution was then extracted with chloroform (7 mL). The chloroform layer was washed several times with distilled water and stripped of solvent, and the residue dried under high vacuum. This oil was then recrystallized two times from a mixture of diethyl ether and methylene chloride and the crystals dried at 45° C. overnight under vacuum to give after drying 0.34 g of material.

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