Hydrochloric Acid → 2,6-Ditert-butyl-4-(4-nitrophenyl)phenol

Participants

Reaction Conditions

Reaction Steps

A mixture of 12.0 g (300 mmol) of powdered sodium hydroxide, 24.7 g (120 mmol) of 2,6-di-tert-butylphenol, 15.7 g (100 mmol) of 1-chloro-4-nitrobenzene, and 120 mL of DMSO was stirred for 17 hours at 90° C. and poured into one liter of 1N HCl. The resulting aqueous mixture was extracted with three 250 mL portions of diethyl ether. Combination, drying (MgSO4), and concentration of the organic layers afforded a residue which was purified by two recrystallizations from ethanol-dichloromethane to give 22.3 g (68% yield) of 4-(4'-nitrophenyl)-2,6-di-tert-butylphenol which an also be named 3,5-bis-(1,1-dimethylethyl)-4'-nitro-(1,1'-biphenyl)-4-ol.

Provenance & Evidence