Cesium carbonate → HCID 53628355, compound

Participants

Reaction Steps

The subtitle compound was prepared according to the procedure outlined in example 1 step (iv) using a mixture of azetidine-1-sulfonamide (prepared according to patent WO 2004/011443, 0.29 g), tris(dibenzylideneacetone)dipalladium (0) (0.13 g), 2-dicyclohexylphosphino-2′,4′,6′-tri-isopropyl-1,1′-biphenyl (XPHOS) (93 mg), cesium carbonate (0.68 g), 4-chloro-2-[[(2,3-difluorophenyl)methyl]thio]-6-[(1R)-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-(ethoxymethyl)ethoxy]-pyrimidine (the product of step iv) (0.70 g) and dioxane (15 mL). Purification was by column chromatography on silica gel using EtOAc/isohexane (3:7) 70:30 as eluent, to give the title compound as a white solid.

Provenance & Evidence