反应详情

温度

70 °C

To a solution of 7-(4-chlorophenyl)-8-(pyridin-4-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one (161.4 mg, 0.50 mmol) and 3-(chloromethyl)-2-methoxy-6-(trifluoromethyl)pyridine (169 mg, 0.75 mmol) in anhydrous DMF (3.0 mL) at room temperature was added anhydrous K2CO3 (138 mg, 1.0 mmol). The resulting yellow suspension was stirred at 70° C. for 3 h. Analysis by HPLC/MS indicated that starting 7-(4-chlorophenyl)-8-(pyridin-4-yl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one had been consumed. After cooling to room temperature, the reaction mixture was diluted with water and extracted with EtOAc (20 mL×2). The combined EtOAc extracts were washed with water, then saturated aqueous NaCl, dried (Na2SO4), filtered, and concentrated under reduced pressure. The crude product was purified using a silica gel cartridge (12 g) eluted with a gradient of ethyl acetate (30-100%) in hexanes to afford 210 mg (82%) of the title compound as a yellow solid. HPLC/MS: retention time=3.11 min, [M+H]+=512.2.

1. customhad been consumed
2. temperatureAfter cooling to room temperature
3. additionthe reaction mixture was diluted with water
4. extractionextracted with EtOAc (20 mL×2)
5. washThe combined EtOAc extracts were washed with water
6. dry with materialsaturated aqueous NaCl, dried (Na2SO4)
7. filtrationfiltered
8. concentrationconcentrated under reduced pressure
9. customThe crude product was purified
10. washeluted with a gradient of ethyl acetate (30-100%) in hexanes