Diisopropylethylamine → HCID 58267769, compound

Participants

Reaction Steps

The title compound was prepared as described in Example 57B by using compound 1-(5-tert-butylisoxazol-3-yl)-3-(3-(6-(2-chloroethoxy)-7-methoxyquinazolin-4-yloxy)phenyl)urea from Example 16C (200 mg, 0.39 mmol), thiomorpholine 1,1-dioxide (158 mg, 1.17 mmol), tetrabutylammonium iodide (144 mg, 0.39 mmol) and N,N′-diisopropylethylamine (139 μL, 0.78 mmol) in N,N′-dimethylformamide (2 mL) to afford 1-(5-tert-butyl-isoxazol-3-yl)-3-(3-{6-[2-(1,1-dioxo-thiomorpholin-4-yl)-ethoxy]-7-methoxy-quinazolin-4-yloxy}-phenyl)-urea (52.75 mg, 23%) as a solid. 1H NMR (300 MHz, DMSO-d6) δ 9.58 (s, 1H), 9.00 (s, 1H), 8.56 (s, 1H), 7.61 (d, 2H), 7.40-7.37 (m, 2H), 7.25 (d, 1H), 6.97 (d, 1H), 6.47 (s, 1H), 4.31 (m, 2H), 4.00 (s, 3H), 3.10-3.03 (m, 10H), 1.27 (s, 9H); LC-MS (ESI) m/z 611 (M+H)+.

Provenance & Evidence