反应详情

To a stirred solution of {6-chloro-4-(5-chloropyridin-3-yl)-3-[(trans-4-methylcyclohexyl)methyl]-3H-imidazo[4,5-c]pyridin-2-yl}(3-fluoropyridin-2-yl)methanol (807 mg, 1.61 mmol) in dichloromethane (15 mL) was added Dess-Martin periodinane (2.7 g, 6.45 mmoL) at 0° C. Then reaction was gradually warmed to room temperature and stirred for 2 hours. The reaction mixture was diluted with dichloromethane (15 mL), quenched with aqueous saturated NaHCO3 solution (40 mL), and extracted with dichloromethane (2×30 mL). The combined organic extracts were washed with brine (10 mL), dried over anhydrous Na2SO4, filtered, and concentrated. Purification of the residue on a silica gel column (0 to 100% EtOAc/hexanes) afforded {6-chloro-4-(5-chloropyridin-3-yl)-3-[(trans-4-methylcyclohexyl)methyl]-3H-imidazo[4,5-d]pyridin-2-yl}(3-fluoropyridin-2-yl)methanone. MS APCl calcd. for C25H22Cl2FN5O [M+H]+ 498. found 498.

1. customThen reaction
2. customquenched with aqueous saturated NaHCO3 solution (40 mL)
3. extractionextracted with dichloromethane (2×30 mL)
4. washThe combined organic extracts were washed with brine (10 mL)
5. dry with materialdried over anhydrous Na2SO4
6. filtrationfiltered
7. concentrationconcentrated
8. customPurification of the residue on a silica gel column (0 to 100% EtOAc/hexanes)