反应详情

Using the procedure described in Example 159B, phenyl 1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-ylcarbamate as described in Example 164B (0.114 g, 0.4 mmol), 3-(6,7-dimethoxyquinazolin-4-ylthio)aniline from Example 115B (0.125 g, 0.4 mmol), and N,N-diisopropylethylamine (0.3 mL) in THF (6 mL) at 50° C. for 3 hours, to afford 1-[3-(6,7-dimethoxyquinazolin-4-ylthio)phenyl]-3-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]urea as solid (0.035 g, 17%). 1H NMR (300 MHz, CDCl3) δ 9.45 (br, 1H), 8.77 (s, 1H), 7.80 (s, 1H), 7.63 (d, 1H), 7.44 (t, 1H), 7.35 (m, 2H), 7.28 (s, 1H), 7.21 (s, 1H), 6.31 (s, 1H), 4.08 (s, 3H), 4.06 (s, 3H), 3.91 (s, 3H); LC-MS (ESI) m/z 505 (M+H)+.