1-(2-Hydroxyethyl)piperazine → 1-(5-Tert-butylisoxazol-3-yl)-3-(3-(7-(3-(4-(2-hydroxyethyl)piperazin-1-yl)propoxy)-6-methoxyquinazolin-4-ylthio)phenyl)urea

Participants

Reaction Steps

1-(5-tert-butyl-isoxazol-3-yl)-3-{3-[7-(3-chloro-propoxy)-6-methoxy-quinazolin-4-ylsulfanyl]-phenyl}-urea from Example 72A (200 mg, 0.368 mmol) and 2-piperazin-1-yl-ethanol (135 mL, 1.104 mmol) were reacted as described in Example 73. Isolated yield of 1-(5-tert-butylisoxazol-3-yl)-3-(3-(7-(3-(4-(2-hydroxyethyl)piperazin-1-yl)propoxy)-6-methoxyquinazolin-4-ylthio)phenyl)urea (75 mg, 32%) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 9.80 (s, 1H), 9.55 (s, 1H), 8.65 (s, 1H), 7.85 (s, 1H), 7.60-7.25 (m, 5H), 6.50 (s, 1H), 4.40 (s, 1H), 4.25 (m, 2H), 4.00 (s, 3H), 3.45 (m, 2H), 2.50-2.25 (m, 12H), 1.95 (m, 2H), 1.25 (s, 9H); LC-MS (ESI) m/z 636 (M+H)+.

Provenance & Evidence