反应详情

温度

130 °C

2,2,2-Trifluoro-1-(2-iodo-phenyl)-ethanol (0.331 g, 1.1 mmol), 3-trifluoromethyl pyrazole (0.136 g, 1.0 mmol), CuI (0.019 g, 0.1 mmol), K2CO3 (0.290 g, 2.1 mmol), (1R,2R)—N,N′-dimethyl-cyclohexane-1,2-diamine (0.028 g, 0.2 mmol) and toluene (10 ml) were combined in a 20 ml pressure tube. The mixture was heated at 130° C. (oil bath temperature) for 12 h. The reaction mixture was diluted with ethyl acetate, and washed with H2O (2×20 ml), brine, and dried by sodium sulfate. Removal of solvent gave crude product which was purified by ISCO column chromatography using 5-10% ethyl acetate in hexane as solvent to give 140 mg of 2,2,2-trifluoro-1-[2-(3-trifluoro methyl-pyrazol-1-yl)-phenyl]-ethanol.

1. washwashed with H2O (2×20 ml), brine
2. dry with materialdried by sodium sulfate
3. customRemoval of solvent
4. customgave crude product which
5. customwas purified by ISCO column chromatography