反应详情

To a stirred solution of 1-cyclobutylethan-1-ol (1.76 g, 17.60 mmol) in DMF (10 mL) was added 60% NaH (1.4 g, 35.19 mmol) in several portions at 0° C. After stirring for 20 minutes, 4,6-dichloro-3-((trans-4-methylcyclohexyl)methyl)-3H-imidazo[4,5-c]pyridine (Preparative Example 2.3, 3.5 g, 11.73 mmol) in DMF (30 mL) was added slowly over a time period of 10 minutes. The reaction was then warmed to room temperature and stirred for 16 h. After this time, the reaction was quenched with ice, diluted with water (80 mL), and extracted with ethyl acetate (3×30 mL). The combined organic extracts were washed with water (25 mL) and brine (25 mL), dried over anhydrous Na2SO4, filtered, and concentrated. The residue was purified by silica gel chromatography (eluting with (12-15% EtOAc/petroleum ether) to yield 6-chloro-4-(1-cyclobutylethoxy)-3-((trans-4-methylcyclohexyl)methyl)-3H-imidazo[4,5-c]pyridine. MS ES/APCl calc'd. for C20H28ClN3O [M+H]+ 362. found 362.

1. stirringstirred for 16 h
2. customAfter this time, the reaction was quenched with ice
3. additiondiluted with water (80 mL)
4. extractionextracted with ethyl acetate (3×30 mL)
5. washThe combined organic extracts were washed with water (25 mL) and brine (25 mL)
6. dry with materialdried over anhydrous Na2SO4
7. filtrationfiltered
8. concentrationconcentrated
9. customThe residue was purified by silica gel chromatography (
10. washeluting with (12-15% EtOAc/petroleum ether)