Methanesulfonyl chloride → Methanesulfonic acid 1-(6-fluoro-4-iodo-pyridin-3-yl)-ethyl ester

참여 물질

반응 단계

Add methanesulfonyl chloride (1.93 g, 16.8 mmol) to a solution of 1-(6-fluoro-4-iodo-pyridin-3-yl)-ethanol (1.5 g, 5.6 mmol) and diisopropylethylamine (2.2 g, 16.8 mmol) in DCM (50 mL) at 0° C. Continue to stir the mixture at 0° C. to RT for 4 h. Dilute the reaction mixture with diluted sodium carbonate. Extract the product into chloroform. Dry the organic phase over sodium sulfate. Concentrate the solution in vacuo. Purify the crude by column chromatography (20% ethyl acetate in hexane) to afford the title compound as a white solid (1.24 g, 64%). MS (ES) m/z 346 [M+1]+.

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