反应详情

3,3,3-Trifluoro-2-hydroxy-2-({[(4-methylphenyl)sulfonyl]oxy}methyl)propyl 4-methylbenzenesulfonate (14.29 g, 29 mmol) in dichloromethane (75 ml) was pumped through a cartridge containing PS-carbonate resin (not pre-swelled) (3 mmol/g, 25 g, 75 mmol) at 675 microliters/min. The temperature was set to approx. 50° C. by wrapping a Whatman thin film heater around the cartridge. The pressure was regulated at 40 psi. After all the reagent had been aspirated, the column was washed through with dichloromethane—at this point the column started to leak slightly and the back pressure regulator had to be removed to reduce the pressure. The collected solution was concentrated in vacuo to afford the title compound (7.25 g).

1. customwas set to approx. 50° C.
2. washthe column was washed through with dichloromethane—at this point the column
3. customto be removed
4. concentrationThe collected solution was concentrated in vacuo