Sodium borohydride → Ethyl 4-(3-(2,6-dimethylbenzyloxy)phenyl)-4-hydroxy-butyrate

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Reaction Steps

To a solution of Ethyl 4-(3-(2,6-dimethylbenzyloxy)phenyl)-4-oxobutyrate (Step C) in tetrahydrofuran, add sodium borohydride dissolved in water, After 3-4 hours of stifling at room temperature, quench with an acid. The organic layer can be taken in dichloromethane, wash with water, aqueous sodium bicarbonate, and brine, dry over Na2SO4, filter and concentrate. If needed, the compound can be purified by flash chromatography on silica gel column (EtOAc:Hex).

Provenance & Evidence