1-(3-(6,7-Dimethoxyquinazolin-4-yloxy)phenyl)-3-(3-isopropylisoxazol-5-yl)urea → 1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-yl)urea

Participants

Reaction Steps

3-(6,7-dimethoxyquinazolin-4-yloxy)aniline from Example 113A (89 mg, 0.3 mmol) was reacted with phenyl 3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-ylcarbamate (104 mg, 0.36 mmol) according to the method described for 1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(3-isopropylisoxazol-5-yl)urea in Example 122B to afford 1-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)-3-(3-(tetrahydro-2H-pyran-4-yl)isoxazol-5-yl)urea as a cream solid (68 mg, 46%). 1H NMR (300 MHz, DMSO-d6) δ 10.25 (brs, 1H), 9.07 (s, 1H), 8.56 (s, 1H), 7.56-7.58 (m, 2H), 7.39-7.44 (m, 2H), 7.31 (m, 1H), 6.99 (m, 1H), 6.01 (s, 1H), 3.99-4.00 (2×s, 6H), 3.86-3.90 (m, 2H), 3.40-3.46 (m, 2H), 2.90 (m, 1H), 1.69-1.76 (m, 2H), 1.60-1.69 (m, 2H); LC-MS (ESI) m/z 492 (M+H)+.

Provenance & Evidence