Diisopropylethylamine → 1-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-ylthio]phenyl}-3-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]urea

Participants

Reaction Steps

Using the procedure described in Example 159B, phenyl 1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-ylcarbamate described in Example 165A (0.114 g, 0.4 mmol), 3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-ylthio)aniline described in Example 231A (0.143 g, 0.4 mmol), and N,N-diisopropylethylamine (0.5 mL) in THF (6 mL) at 50° C. for 3 hours, to afford 1-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-ylthio]phenyl}-3-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]urea as solid (0.015 g, 7%). 1H NMR (300 MHz, CDCl3) δ 9.45 (br, 1H), 8.76 (s, 1H), 7.78 (m, 1H), 7.63 (d, 1H), 7.43 (t, 1H), 7.26-7.38 (m, 4H), 6.32 (s, 1H), 4.34 (t, 2H), 4.04 (s, 3H), 3.89 (s and t, 5H), 3.49 (s, 3H); LC-MS (ESI) m/z 549 (M+H)+.

Provenance & Evidence