[Cl:1][CH2:2][CH2:3][CH2:4][O:5][C:6]1[CH:7]=[C:8]([CH2:12][C:13]([O:15]C)=[O:14])[CH:9]=[CH:10][CH:11]=1.[OH-].[Na+].Cl>O1CCOCC1>[Cl:1][CH2:2][CH2:3][CH2:4][O:5][C:6]1[CH:7]=[C:8]([CH2:12][C:13]([OH:15])=[O:14])[CH:9]=[CH:10][CH:11]=1Methyl 3-(3-chloro-propoxy)-phenylacetate (12.7 g, 52.3 mmol) was dissolved in dioxane (25 mL) and 1N NaOH (53 mL) was added. The mixture was stirred at room temperature for 45 minutes then acidified by addition of 1N hydrochloric acid (60 mL). A white precipitae formed which was filtered, washed with 1N HCl, water and dried. 3-(3-Chloro-propoxy)-phenylacetic acid (11.7 g, 98%). 1H NMR (500 MHz, CDCl3) δ 7.25 (1H, dd), 6.93–6.85 (3H, m), 4.11 (2H, t), 3.79 (2H, t), 3.70 (2H, s), 2.25 (2H, m).
読み込み中…