Sodium Hydroxide → 2-Propen-1-ol, 3-(3,4-dichlorophenyl)-

참여 물질

반응 단계

Treat a solution of the product of Step 1 (15 g, 65 mmol) in dry THF (250 mL), kept cool in a large ambient temperature water bath, with Dibal-H (140 mL, 140 mmol, 2.15 eq) over 30 min. Stir the resulting solution for 30 min at 23° C., pour into Et2O (500 mL), treat with water (5 mL), 15% NaOH (5 mL) and water (15 mL). Stir for 5 min, dilute the mixture with Et2O (200 mL) and treat with 15% NaOH (15 mL). Add MgSO4 to cause a colorless precipitate. Remove the aluminum salts by filtration through a course glass frit. Wash the solids with Et2O (1 L) and concentrate the filtrate in vacuo to give 13.2 g (65 mmol, 99%) of 3-(3,4-dichlorophenyl)-2-propene-1-ol as an off-white solid.

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