6-Methoxy-alpha-tetralone → 6-Methoxy-1,2,3,4-tetrahydronaphthalen-1-ol

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Reaction Steps

6-Methoxytetralone (10 g, 0.057 mol) was mixed with 150 ml of dry ethanol and sodium borohydride (1.2 eq) was added by portions to the stirred mixture. The reaction mixture was left to stir at ambient temperature for 15 h. The reaction mixture was then concentrated by rotary evaporation, mixed with 100 ml of water and heated for 1 h at 45° C.. The resulting mixture was extracted into diethyl ether (3×80 ml). Combined organic extract was dried over Na2SO4 and concentrated by rotary evaporation to give 10.39 g of yellow oil which was used in the next step without additional purification.

Provenance & Evidence