Dimethylformamide → 4-(4-Chlorophenyl)-5-[3-(2-methylphenoxy)propyl]-2-(2-phenyl-1-imidazolyl)oxazole

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A mixture of 2-chloro-4-(4-chlorophenyl)-5-[3-(2-methylphenoxy)propyl]oxazole (1.00 g), 2-phenylimidazole (432 mg), potassium carbonate (1.38 g) and N,N-dimethylformamide (10 ml) was stirred at 120-130° C. for 1 hour. The reaction mixture was poured into water (100 ml) and extracted with ethyl acetate (10 ml×2). The organic layer was dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica gel column chromatography, and 4-(4-chlorophenyl)-5-[3-(2-methylphenoxy)propyl]-2-(2-phenyl-1-imidazolyl)oxazole was obtained as an oil (512 mg, 39%) from an ethyl acetate-hexane (1:1, v/v)-eluted fraction.

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