4-Chloro-7-methoxy-quinazoline → 1-(5-Tert-butylisoxazol-3-yl)-3-(3-(7-methoxyquinazolin-4-ylthio)phenyl)urea

Participants

Reaction Steps

The title compound was prepared from 1-(5-tert-butylisoxazol-3-yl)-3-(3-mercaptophenyl)urea described in Example 44A (116 mg, 0.4 mmol) and 4-chloro-7-methoxyquinazoline (78 mg, 0.4 mmol) as described in Example 46 and its corresponding hydrochloride salt was prepared as described in Example X4 Step 2 to give 1-(5-tert-butylisoxazol-3-yl)-3-(3-(7-methoxyquinazolin-4-ylthio)phenyl)urea as the mono-hydrochloride (143 mg, 0.30 mmol, 75%). 1H NMR (300 MHz, DMSO-d6) δ 9.77 (s, 1H), 9.55 (s, 1H), 8.85 (s, 1H), 8.20 (d, 1H), 7.87 (s, 1H), 7.55 (d, 1H), 7.48-7.42 (m, 2H), 7.38 (s, 1H), 7.29 (d, 1H), 6.50 (s, 1H), 3.99 (s, 3H), 1.28 (s, 9H); LC-MS (ESI) m/z 450 (M+H)+.

Provenance & Evidence