5-Fluoro-2-methoxybenzaldehyde → (5-Fluoro-2-methoxyphenyl)methanol

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Reaction Steps

20.0 g (0.13 mol) of 5-fluoro-2-methoxybenzaldehyde are dissolved in 205 ml of methanol. Under argon, 2.45 g (54.9 mol) of sodium borohydride are added in small portions. The solution is stirred at RT for 4 hours. The solution is concentrated and the residue is taken up in water and stirred for 30 min. The aqueous phase is extracted with ethyl acetate and the organic phase is dried over magnesium sulphate, filtered and evaporated under reduced pressure.

Provenance & Evidence