Diisopropylethylamine → 1-[3-(1,3-difluoro-2-methylpropan-2-yl)-1-phenyl-1H-pyrazol-5-yl]-3-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy]phenyl}urea

Participants

Reaction Steps

Using the procedure described in Example 159B, phenyl 3-(1,3-difluoro-2-methylpropan-2-yl)-1-phenyl-1H-pyrazol-5-ylcarbamate as described in Example 167B (0.186 g, 0.5 mmol), 3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)aniline from Example 117B (0.137 g, 0.4 mmol), and N,N-diisopropylethylamine (0.8 mL) in THF (6 mL) at 50° C. for 6 hours, to afford 1-[3-(1,3-difluoro-2-methylpropan-2-yl)-1-phenyl-1H-pyrazol-5-yl]-3-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy]phenyl}urea as solid (0.106 g, 43%). 1H NMR (300 MHz, DMSO-d6) δ 9.26 (s, 1H), 8.57 (s, 1H), 8.55 (s, 1H), 7.56 (m, 6H), 7.40 (m, 3H), 7.18 (d, 1H), 6.94 (d, 1H), 6.50 (s, 1H), 4.70 (m, 2H), 4.54 (m, 2H), 4.33 (m, 2H), 3.98 (s, 3H), 3.78 (m, 2H), 3.35 (s, 3H), 1.30 (s, 3H); LC-MS (ESI) m/z 619 (M+H)+.

Provenance & Evidence