Hydrochloric Acid → HCID 20395011, compound

Participants

Reaction Conditions

Reaction Steps

To a stirred solution of 2,6-di(t-butyl)phenol in 150 ml. of glyme under nitrogen is added 52 ml. of 2.04 M n-butyl lithium in hexane. The reaction causes an exotherm and the product is heated to 60° C. About 20 g. of 4-nitrobenzoyl chloride is added, and the resulting solution is stirred without heating for about 16 hours. The mixture is then acidified with 10 percent hydrochloric acid and washed with dichloromethane, then with 10 percent sodium hydroxide solution and finally with water. The solution is then reacted in ethanol with 50 percent sodium hydroxide solution by heating at reflux for about two hours, mixed with dichloromethane, then washed several times with water. The organic layer is separated, dried and evaporated to provide an orange oil which solidifies in cold hexane. This solid is recrystallized from a benzene-hexane mixture to provide 4-(4-nitrobenzoyl)-2,6-di(t-butyl)phenol, m.p. 178°-179.5° C.

Provenance & Evidence