反应详情

Under a nitrogen atmosphere, 2.84 g (74.9 mmol) of lithium aluminum hydride was added to 30 ml of tetrahydrofuran (hereinafter, referred to as THF). A solution of 18.0 g of ethyl 4-(2-fluorophenyl)-3-hydroxy-2-methylbutanoate in 180 ml of THF was added thereto. After stirring for 1.5 hr at room temperature, 5 ml of water and 5 ml of 1N-NaOH aqueous solution were added thereto successively to quench the reaction. 100 ml of Et2O was added to the quenched reaction mixture, after stirring a while, the obtained suspension was filtered. The filtrate was distilled off and the residue was purified by silica gel column chromatography to obtain 14.5 g of the title compound as a colorless oil. (Yield: 99%)

1. customsuccessively to quench
2. customthe reaction
3. stirringafter stirring a while
4. filtrationthe obtained suspension was filtered
5. distillationThe filtrate was distilled off
6. customthe residue was purified by silica gel column chromatography