Methyl iodide → HCID 59341831, 화합물

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To a cooled (0° C.) solution of (R)-tert-butyl 1-(3-(quinolin-6-ylmethyl)-3H-[1,2,3]triazolo[4,5-b]pyrazin-5-yl)pyrrolidin-3-ylcarbamate (111 mg, 0.249 mmol) in tetrahydrofuran (2.0 mL) was added sodium hydride (60% dispersion in mineral oil, 15 mg, 0.37 mmol). After 30 minutes at 0° C., a solution of methyl iodide (23 uL, 0.37 mmol) in tetrahydrofuran (0.5 mL) was added dropwise over 15 minutes. The reaction mixture was allowed to warm to room temperature as the ice bath melted, stirred overnight, then quenched by adding water (1.0 mL). The tetrahydrofuran was removed in vacuo and the remaining aqueous solution was diluted with ethyl acetate (100 mL). The organic solution was washed with water (20 mL), brine (20 mL), dried (MgSO4), filtered and concentrated. The crude product was purified by flash chromatography using a Horizon purification system on a 25S column eluting with chloroform/acetone (2-20%) to afford tert-butyl methyl{(3R)-1-[1-(quinolin-6-ylmethyl)-1H-[1,2,3]triazolo[4,5-b]pyrazin-6-yl]pyrrolidin-3-yl}carbamate (104 mg, 91%)

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