Fluorene-1-carboxylic acid → 1-Fluorenemethanol

関与物質

反応手順

A solution of 1-fluorenecarboxylic acid (10.0 g, 47.6 mmol) in THF (150 mL) at 0° C. was charged With a 1M solution of BH3 -THF complex in THF (80 mL, 80 mmol). The reaction mixture was stored overnight at room temperature then quenched with 30 mL of 10% AcOH in methanol. After dilution with water (100 mL), the water layer was extracted with ethyl acetate (3×50 mL). The combined organic extracts were washed with 10% potassium carbonate solution, water, brine, dried over magnesium sulfate and evaporated. The residue (white crystals) was washed with ether and dried to afford 1-fluorenemethanol (6.4 g, 68.5%).

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