Hydrochloric Acid → 2-(2-Benzyloxy-5-nitrophenyl)-2-methylpropionic acid

참여 물질

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반응 단계

To the compound (1.54 g) obtained in Example 562 in 1, 4-dioxane (20 ml) was added an aqueous lithium hydroxide solution (1.0M, 47 ml). The reaction mixture was heated under reflux at 100° C. for 12 h and then 2 N HCl and ethyl acetate were added. The organic layer was washed with a saturated aqueous sodium chloride solution, dried with anhydrous sodium sulfate and the solvent was distilled off under reduced pressure. The resulting residue was recrystallized from ethyl acetate to give 1.355 g of the titled compound (yield, 92%).

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