1-Piperazinecarboxylic acid, ethyl ester → HCID 18940681, compound

Participants

Reaction Steps

Ethyl 4-fluorobenzoate (0.93 ml, 6.3 mmol), anhydrous potassium carbonate (0.96 g, 7.0 mmol), ethoxycarbonyl piperazine (0.92 ml, 6.3 mmol)and dry DMSO (30 ml) were heated under dry conditions at 90° C. for 72h. The mixture was partitioned between ethyl acetate and water, dried (sodium sulphate) and evaporated to dryness under reduced pressure. The product was purified by flash column chromatography on silica eluting with 10%MeOH/chloroform to afford the title compound as an oil (1.35 g, 70%).

Provenance & Evidence