3-(6-Methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)aniline → 1-[5-(1,3-Difluoro-2-methylpropan-2-yl)isoxazol-3-yl]-3-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy]phenyl}urea

Participants

Reaction Steps

The title compound was prepared as described in Example 162B, using phenyl 5-(1,3-difluoro-2-methylpropan-2-yl)isoxazol-3-ylcarbamate as described in Example 162A (0.089 g, 0.3 mmol), 3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)aniline from Example 117B (0.102 g, 0.3 mmol), and 4-(dimethylamino)pyridine (0.03 g) in THF (6 mL), to afford 1-[5-(1,3-difluoro-2-methylpropan-2-yl)isoxazol-3-yl]-3-{3-[6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy]phenyl}urea as solid (0.061 g, 37%). 1H NMR (300 MHz, DMSO-d6) δ 9.71 (s, 1H), 9.01 (s, 1H), 8.56 (s, 1H), 7.58 (m, 2H), 7.42 (m, 2H), 7.27 (d, 1H), 6.98 (d, 1H), 6.77 (s, 1H), 4.71 (s, 2H), 4.56 (s, 2H), 4.35 (m, 2H), 3.99 (s, 3H), 3.77 (m, 2H), 3.56 (s 3H), 1.28 (s, 3H); LC-MS (ESI) m/z 544 (M+H)+.

Provenance & Evidence