反应详情

温度

25 °C

Acetic acid (3.70 mL) was added slowly to a mixture of zinc dust (7.88 g) and N-(2-bromo-4-nitro-6-trifluoromethyl-phenyl)-3-cyclohexyl-propionamide (1.99 g) in tetrahydrofuran (40 mL). The reaction mixture was then stirred for 1½ hours at 25° C. The reaction mixture was filtered, diluted with saturated aqueous sodium bicarbonate (400 mL) and extracted with ethyl acetate (3×100 mL). The combined organic phases were washed with water (100 mL), brine (100 mL), dried over sodium sulfate and concentrated in vacuo to furnish 1.85 g (100% yield) of the title compound as a yellow solid. LC-MS (m/z) 394 (MH+); tR=3.22, (UV, ELSD) 92%, 99%. 1H NMR (500 MHz, DMSO-d6): 0.86 (q, 2H), 1.17 (m, 3H), 1.26 (m, 1H), 1.46 (q, 2H), 1.67 (m, 5H), 2.40 (t, 2H), 5.83 (s, 2H), 6.88 (d, 1H), 7.07 (d, 1H), 9.27 (s, 1H).

1. filtrationThe reaction mixture was filtered
2. additiondiluted with saturated aqueous sodium bicarbonate (400 mL)
3. extractionextracted with ethyl acetate (3×100 mL)
4. washThe combined organic phases were washed with water (100 mL), brine (100 mL)
5. dry with materialdried over sodium sulfate
6. concentrationconcentrated in vacuo