反应详情

A solution of [4-amino-2-(piperidin-4-ylamino)-pyrimidin-5-yl]-(5-fluoro-2-methoxy-phenyl)-methanone (75 mg, 0.22 mmol, Example 59) and diisopropylethylamine (2 mL) in tetrahydrofuran (40 mL) was stirred at +5° C. To this was added dropwise 3,5-dimethyl-isoxazole-4-sulfonyl chloride (100 mg, 0.51 mmol, Maybridge). The reaction was stirred at room temperature for 2 hours, poured into water and extracted into methylene chloride (2×50 mL). The combined organic extracts were washed with 5% aqueous sodium bicarbonate. The organic solution was dried (Na2SO4) and solvent was removed under vacuum to give a crude solid. Purification was by silica gel chromatography to give [4-amino-2-[1-(3,5-dimethyl-isoxazole-4-sulfonyl)-piperidin-4-ylamino]-pyrimidin-5-yl]-(5-fluoro-2-methoxy-phenyl)-methanone as a white solid. HRMS, observed: 505.1669; Calcd for M+: 505.1664.

1. extractionextracted into methylene chloride (2×50 mL)
2. washThe combined organic extracts were washed with 5% aqueous sodium bicarbonate
3. dry with materialThe organic solution was dried (Na2SO4) and solvent
4. customwas removed under vacuum
5. customto give a crude solid
6. customPurification