Phenyl 3-isopropylisoxazol-5-ylcarbamate → 1-(3-Isopropylisoxazol-5-yl)-3-(3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)phenyl)urea

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Reaction Steps

3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)aniline from Example 117B (90 mg, 0.264 mmol) was reacted with phenyl 3-isopropylisoxazol-5-ylcarbamate as prepared in Example 122A (78 mg, 0.317 mmol) to afford 1-(3-isopropylisoxazol-5-yl)-3-(3-(6-methoxy-7-(2-methoxyethoxy)quinazolin-4-yloxy)phenyl)urea as a colorless solid (70 mg, 54%). 1H NMR (300 MHz, DMSO-d6) δ 10.30 (brs, 1H), 9.14 (brs, 1H), 8.56 (s, 1H), 7.57 (s, 2H), 7.38-7.44 (m, 2H), 7.31 (m, 1H), 6.99 (m, 1H), 5.99 (s, 1H), 4.32-4.35 (m, 2H), 3.99 (s, 3H), 3.77-3.78 (m, 2H), 3.35 (s, 3H), 2.90 (septet, J=9 Hz, 1H), 1.19 (d, J=9 Hz, 6H); LC-MS (ESI) m/z 494 (M+H)+.

Provenance & Evidence