5-Hydroxy-1-tetralone → HCID 67111959, compound

Participants

Reaction Steps

To a suspension of CH3PPh3I (897 mg, 2.22 mmol) in Et2O (10 mL) was added t-BuOK (249 mg, 2.22 mmol). The mixture was stirred for 15 minutes, to which was added dropwise 5-hydroxy-3,4-dihydro-2H-naphthalen-1-one (300 mg, 1.85 mmol). The mixture was stirred at room temperature overnight, diluted with diethylether, and then filtered through a celite pad. The filtrate was concentrated under reduced pressure. The crude residue was purified by short column chromatography and was concentrated under reduced pressure to give 5-methylene-5,6,7,8-tetrahydro-naphthalen-1-ol. A mixture of 5-methylene-5,6,7,8-tetrahydro-naphthalen-1-ol and 10% Pd/C (40 mg) in methanol (10 ml) was hydrogenated under 50 psi hydrogen atmosphere for 1 hour. The mixture was dissolved in EtOAc, filtered through a celite pad. The filtrate was concentrated under reduced pressure, and dried to give 5-methyl-5,6,7,8-tetrahydro-naphthalen-1-ol (110 mg, 36%).

Provenance & Evidence