反应详情

To a stirred solution of 3-{3-[5-isopropyl-2,6-bis-(4-methoxy-benzyloxy)-pyrimidine-4-carbonyl]-phenyl}-acrylonitrile (1.25 g, 2.23 mmol) in acetonitrile (10 ml) at room temperature, was added ceric ammonium nitrate (3.67 g, 6.70 mmol) followed by distilled water (5 ml). After 3 hr., the reaction mixture was diluted with EA, washed with water, dried with anhydrous magnesium sulfate, filtered, and evaporated in vacuo to give a crude product as a white solid. The crude product was purified by silica gel column chromatography (eluent, EA:hexanes (4:1)) to afford 240 mg (35%) of a white solid. m.p. 210-211° C.; 1H NMR (200 MHz, CD3OD/CDCl3) δ 1.10 (6H, d, J=6.8 Hz), 2.39 (1H, m), 6.03 (1H, d, J=16.8 Hz), 7.45 (1H, d, J=16.8 Hz), 7.58 (3H, m), 8.01 (1H, s); m/z (LC/Mass, EI) 310 (M+H+).

1. distillationby distilled water (5 ml)
2. addition, the reaction mixture was diluted with EA
3. washwashed with water
4. dry with materialdried with anhydrous magnesium sulfate
5. filtrationfiltered
6. customevaporated in vacuo
7. customto give a crude product as a white solid
8. customThe crude product was purified by silica gel column chromatography (eluent, EA:hexanes (4:1))