1-(2-Hydroxyethyl)piperazine → 1-(5-tert-Butylisoxazol-3-yl)-3-(3-(7-(2-(4-(2-hydroxyethyl)piperazin-1-yl)ethoxy)-6-methoxyquinazolin-4-yloxy)phenyl)urea

Participants

Reaction Steps

1-(5-tert-butyl-isoxazol-3-yl)-3-{3-[7-(2-chloro-ethoxy)-6-methoxy-quinazolin-4-yloxy]-phenyl}-urea from Example 35B (225 mg, 0.427 mmol) and 2-piperazin-1-yl-ethanol (0.161 mL, 1.317 mmol) were reacted in the manner described in Example 36. 1-(5-tert-Butylisoxazol-3-yl)-3-(3-(7-(2-(4-(2-hydroxyethyl)piperazin-1-yl)ethoxy)-6-methoxyquinazolin-4-yloxy)phenyl)urea (33 mg, 13%) was isolated as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 9.70 (brs, 1H), 9.25 (brs, 1H), 8.52 (s, 1H), 7.55 (s, 2H), 7.35 (m, 2H), 7.25 (m, 1H), 6.95 (d, 1H), 6.45 (s, 1H), 4.40 (s, 1H), 4.30 (m, 2H), 3.95 (s, 3H), 3.45 (m, 2H), 2.85-2.30 (m, 12H), 1.25 (m, 9H); LC-MS (ESI) m/z 606 (M+H)+.

Provenance & Evidence