1-(2-Hydroxyethyl)piperazine → 1-Acetyl-4-(2-hydroxyethyl)piperazine

Participants

Reaction Conditions

Reaction Steps

To a solution of 1-(2-hydroxyethyl)piperazine (5.5 ml; 42.3 mmol) in toluene (50 ml) was added acetic anhydride (4.0 ml; 42.4 mmol). The mixture was heated to 80° C. overnight. The solvent was removed under reduced pressure and the residue was washed several times with a mixture of diethyl ether and petroleum ether (1:1 v/v) to leave 6q1 as an oil (5.2 g; 72%).

Provenance & Evidence