N-bromobutanimide → HCID 66914972, compound

Participants

Reaction Conditions

Reaction Steps

N-Bromo succinimide (1.40 g, 7.87 mmol) was added to a solution of ethyl 5-methyl-3-phenyl-1H-pyrrole-2-carboxylate (1.5 g, 6.55 mmol) in a mixture of dioxane (10 mL) and acetic acid (20 mL) at 0° C. The reaction mixture was stirred at 0° C. for 15 min. The reaction mixture was warmed to room temperature and stirred for another 15 min. The mixture was quenched with 2N NaOH solution and the organic layer was separated, washed with water, brine solution, dried over anhydrous sodium sulfate and concentrated under reduced pressure to give ethyl 4-bromo-5-methyl-3-phenyl-1H-pyrrole-2-carboxylate (1.68 g, 84%) as a solid.

Provenance & Evidence