反应详情

温度

40 °C

A mixture of 2-cyclopropyl-8-fluoro-4-methyl-3-(4-pyrazol-1-ylbenzyl)quinolin-5-ol (0.064 g), N,N-dimethylformamide (0.86 mL), potassium carbonate (0.071 g) and (R)-2-chloropropionic acid methyl ester (0.032 g) was stirred at 40° C. for 3 days. The mixture was cooled to 0° C., diluted with water (40 mL) and extracted with ethyl acetate (3×10 mL). The combined extracts were washed saturated aqueous sodium chloride solution, dried over magnesium sulfate and concentrated under reduced pressure. Purification of the residue by column chromatography on silica gel, eluting with a mixture of ethyl acetate and cyclohexane (0:1 to 4:6 by volume) gave title compound as a colourless oil (0.033 g).

1. temperatureThe mixture was cooled to 0° C.
2. extractionextracted with ethyl acetate (3×10 mL)
3. washThe combined extracts were washed saturated aqueous sodium chloride solution
4. dry with materialdried over magnesium sulfate
5. concentrationconcentrated under reduced pressure
6. customPurification of the residue by column chromatography on silica gel
7. washeluting with a mixture of ethyl acetate and cyclohexane (0:1 to 4:6 by volume)