Cesium carbonate → Methyl 5-methanesulfonyl-2-methyl-4-(3-pentafluorosulfanylphenoxy)benzoate

Participants

Reaction Steps

600 mg of methyl 4-fluoro-5-methanesulfonyl-2-methylbenzoate, 700 mg of 3-pentafluorosulfanylphenol and 1.6 g of Cs2CO3 were stirred in 4 ml of anhydrous DMF at 100° C. for 3 h. The mixture was then cooled to RT, diluted with 100 ml of EA and washed 3 times with 20 ml of water each time. The residue after drying over MgSO4 and removal of the solvent in vacuo was chromatographed on silica gel with DIP. 300 mg of a colorless oil were obtained.

Provenance & Evidence