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ChemicalBook CAS DataBase List PENTAFLUOROPHENYL TRIFLUOROMETHANESULFONATE
60129-85-3

PENTAFLUOROPHENYL TRIFLUOROMETHANESULFONATE synthesis

1synthesis methods
-

Yield:-

Reaction Conditions:

with pyridine in dichloromethane at 0 - 20; for 5 h;

Steps:

2. Preparation of Aryl Triflates

General procedure: To a solution of phenol (1.0 equiv) and pyridine (2.0 equiv) in DCM was added dropwise trifluoromethanesulfonic anhydride (1.2 equiv) at 0 °C. Then the mixture was warmed to room temperature and stirred for 5 hours. The reaction was quenched with HCl (1M). The mixture was diluted with ethyl acetate. The organic layer was washed with sat. NaHCO3, water, brine successively and concentrated under reduced pressure. The crude residue was purified with a flash column chromatography.

References:

Chen, Hui;Liao, Xuebin [Tetrahedron,2019,vol. 75,# 31,p. 4186 - 4191] Location in patent:supporting information

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