Pyridine → 4-Butoxybenzyl 2-[(1S)-1-(2,3-dimethylphenyl)ethyl]-1H-imidazole-1-carboxylate

Participants

Reaction Steps

To a mixture of the compound of Example 58 (200 mg, 1.0 mmol) and pyridine (177 μl, 2.2 mmol) in anhydrous acetonitrile (3 ml), at 0° C. and under nitrogen, was added diphosgene (132 μl, 1.1 mmol). The mixture was allowed to warm to room temperature and stirred for 10 min, before addition to (4-butoxyphenyl)methanol (198 mg, 1.1 mmol) via syringe. The reaction mixture was stirred at room temperature for 30 min and filtered.

Provenance & Evidence