Ethyl Acetate → 1-(2-Diethylaminoethyl)-4-trifluoromethyl-6-hydroxyethyl-3-hydroxy-3-(2-naphthyl)oxindole

Participants

Reaction Steps

To a solution of 1-(2-diethylaminoethyl)-4-trifluoromethyl-6-ethoxycarbonyl-3-hydroxy-3-(2-naphthyl)oxindole (605 mg, 0. 118 mmol) in toluene (1 mL) was added dropwise 1.01 N diisobutylaluminium hydride in toluene (0.36 mL, 0.364 mmol). The mixture was allowed to warm to room temperature over 4 h. Sat. aqueous NaHCO3 and ethyl acetate were added. Insoluble materials were removed by filtration and the organic layer was separated, dried over MgSO4, and concentrated. The residue was purified by silica gel column chromatography with 30:1 to 15:1 chloroform/methanol to give the title compound (5 mg, 9%).

Provenance & Evidence