Sodium borohydride → (2,6-Dichloro-3-hydroxymethyl-pyridin-4-yl)-pyrrolidin-1-yl-methanone

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Reaction Steps

A mixture of the above aldehyde and sodium borohydride (400 mg, 10 mmol) in EtOH (50 mL) is stirred at room temperature for 1 hour. After evaporation of EtOH, EtOAc (40 mL) and water (40 mL) are added to the residue. The organic layer is separated, washed once with 1 N NaOH, 1N HCl and brine, dried (Na2SO4) and concentrated. The residue is chromatographed on silica gel (1:1 hexane:EtOAc) to give (2,6-dichloro-3-hydroxymethyl-pyridin-4-yl)-pyrrolidin-1-yl-methanone.

Provenance & Evidence