Sodium Iodide → [6-Chloro-1-(4-methanesulfonyl-2-trifluoromethyl-benzyl)-2-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl]-acetic acid methyl ester

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Reaction Conditions

Reaction Steps

To a stirred, ice-cooled solution of (6-chloro-2-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)-acetic acid methyl ester (Example 99e) (0.03 g, 0.13 mmol) in DMF (1.0 ml) under an inert atmosphere of Argon is added sodium hydride (0.006 g of a 60% dispersion in mineral oil, 0.14 mmol). The reaction mixture is stirred at 0° C. for 45 minutes and then treated with 1-bromomethyl-4-methanesulfonyl-2-trifluoromethyl-benzene (Example 95a) (0.067 g, 0.21 mmol) followed by sodium iodide (0.031 g, 0.21 mmol). Stirring is continued at 0° C. for 2 hours and then the reaction mixture is poured onto water (15 ml) and extracted with DCM (5 ml). The organic portion is separated and concentrated in vacuo. The resulting crude is purified by chromatography on silica eluting with ethyl acetate/iso-hexane (1:8 increasing to 1:4) to yield the product which was further purified by trituration with ethyl acetate/iso-hexane to afford the titled product. (MH+ 475).

Provenance & Evidence