Cesium carbonate → methyl(2S)-2-[4-fluoro-3-(3-hydroxypropyl)phenoxy]propanoate

関与物質

反応条件

反応手順

To a mixture of 4-fluoro-3-(3-hydroxypropyl)phenol (1.5 g), methyl (2R)-2-chloropropanoate (1.30 g) in DMSO (7.5 mL) was added Cs2CO3 (3.45 g) at ambient temperature. The mixture was stirred at 60° C. for 3 hours. After cooling to ambient temperature, the reaction mixture was diluted with EtOAc (50 mL) and washed successively with water (30 mL) two times and brine (30 mL). The organic layer was dried over anhydrous MgSO4, filtered and evaporated in vacuo to give crude oil. The crude oil was purified by silica gel column chromatography (n-hexane:EtOAc=4:1-2:1) to give methyl(2S)-2-[4-fluoro-3-(3-hydroxypropyl)phenoxy]propanoate (1.51 g) as a colorless oil.

情報源と証拠