(4-tert-Butylphenyl)(diphenyl)sulfanium bromide → 4-Tert-butylphenyldiphenylsulfonium 2-(1-adamantanecarbonyloxy)-1,1-difluoroethanesulfonate

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In 100 g of dichloromethane were dissolved 10 g (0.02 mole) of sodium 2-(1-adamantanecarbonyloxy)-1,1-difluoroethanesulfonate (purity 70%) and 80 g (0.02 mole) of a 4-tert-butylphenyldiphenylsulfonium bromide aqueous solution. The organic layer was separated, washed three times with 20 g of water, and concentrated. Diethyl ether was added to the residue for recrystallization, obtaining the target compound as white crystals. 11 g (yield 86%).

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