4-chloro-2-[[(2,3-difluorophenyl)methyl]thio]-6-[(1R)-1-methyl-2-(triphenylmethoxy)ethoxy]-pyrimidine → 5-cyano-N-{2-[(2,3-difluorobenzyl)thio]-6-[(1R)-1-methyl-2-(triphenylmethyloxy)ethoxy]pyrimidin-4-yl}furan-2-sulfonamide

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The subtitle compound was prepared from 5-cyanofuran-2-sulfonamide (the product of step i) (0.29 g) and 4-chloro-2-[[(2,3-difluorophenyl)methyl]thio]-6-[(1R)-1-methyl-2-(triphenylmethoxy)ethoxy]-pyrimidine (the product of Example 13, step ii) (0.15 g) according to the procedure outlined in Example 1, step iv). Purification was by column chromatography on silica gel using EtOAc/isohexane (1:4 to 2:3 gradient) to give the subtitle compound as a pale yellow solid. Yield: 0.25 g

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