反应详情

The title compound was prepared from 4-cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [2-cyclohex-1-enyl-4-(2-methyl-[1,3]dioxan-2-yl)-phenyl]-amide (as prepared in the previous step, 145 mg, 0.276 mmol) and tetrabutylammonium fluoride (216 mg, 0.820 mmol) according to the procedure in Example 1, step (i) (69.4 mg, 64%). 1H-NMR (CDCl3; 400 MHz): δ 9.61 (s, 1H), 8.36 (d, 1H, J=8.4 Hz), 7.74 (s, 1H), 7.38 (dd, 1H, J=8.4, 1.9 Hz), 7.26 (m, 1H), 5.88 (s, 1H), 3.92-3.79 (m, 4H), 2.34-2.26 (m, 4H), 2.13 (m, 1H), 1.87-1.77 (m, 4H), 1.52 (s, 3H), 1.28 (m, 1H). Mass spectrum (ESI, m/z): Calcd. for C22H24N4O3, 393.1 (M+H), found 393.1.