Tetramethylammonium hydroxide → Tetramethylammonium pentafluorobenzenesulfonate

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Reaction Steps

25 g of pentafluorobenzenesulfonyl chloride was dissolved in 100 ml of methanol under ice cooling and thereto, 100 g of a 25% aqueous tetramethylammonium hydroxide solution was gradually added. The resulting solution was stirred at room temperature for 3 hours, then, a solution of tetramethylammonium pentafluorobenzene sulfonate was obtained. This solution was used for the salt exchange with sulfonium salt or iodonium salt. 2) Synthesis of Di(4-t-Amylphenyl)iodonium Pentafluorobenzene Sulfonate (D-4)

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