Iodoethane → HCID 69640512, compound

Participants

Reaction Steps

tert-Butyl (4-bromo-1H-imidazol-1-yl)carbamate (1.16 g, 4.43 mmol) was dissolved in N,N-dimethylformamide (DMF, 12 mL) and treated with sodium hydride (0.310 g, 7.75 mmol, 60% dispersion in oil). After 45 minutes, the mixture was cooled on an ice bath and was treated with iodoethane (0.828 g, 5.31 mmol). The ice bath was removed after five minutes of stirring and the reaction was stirred for an additional 90 minutes. The reaction mixture was diluted with aqueous potassium carbonate (50 mL, 5% w/w) and the product was extracted with ethyl acetate. The organics were washed with 5% aqueous potassium carbonate and brine and dried over sodium sulfate. The organic layer was concentrated and the residue was purified using silica gel chromatography (0-10% methanol/dichloromethane) to afford the title compound (1.023 g, 3.53 mmol, 80%) as a yellow oil: 1H NMR (400 MHz, CDCl3) δ 7.37 (d, J=1.5 Hz, 1H), 6.93 (d, J=1.5 Hz, 1H), 3.71 (q, J=7.2 Hz, 2H), 1.44 (s, 9H), 1.16 (t, J=7.2 Hz, 3H); ESIMS m/z 290 ([M+H]+).

Provenance & Evidence