反应详情

To a solution of 3-(6,7-dimethoxyquinazolin-4-yloxy)aniline (47 mg, 0.15 mmol), prepared as described in Example 113A, in THF (3 ml) was added DMAP (18 mg, 0.15 mmol) and phenyl 3-(2-cyanopropan-2-yl)phenylcarbamate (89 mg, 0.3 mmol). The reaction mixture was stirred at rt for 24 h. Concentration under reduced pressure gave a residue which was purified by preparative HPLC (Phenomenex phenylhexyl reverse phase column). The obtained solid was triturated with anhydrous diethyl ether to afford 1-(3-(2-cyanopropan-2-yl)phenyl)-3-(3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl)urea (14.9 mg, 20%) as a solid. 1H NMR (300 MHz, DMSO-d6) δ 1.66 (s, 6H), 3.99 (s, 6H), 6.92 (d, J=8.7 Hz, 1H), 7.11 (d, J=7.8 Hz, 1H), 7.30-7.40 (m, 4H), 7.57-7.66 (m, 4H), 8.56 (s, 1H), 8.90 (d, J=7.5 Hz, 2H); LC-MS (ESI) m/z 484 (M+H)1

1. concentrationConcentration under reduced pressure
2. customgave a residue which
3. customwas purified by preparative HPLC (Phenomenex phenylhexyl reverse phase column)
4. customThe obtained solid was triturated with anhydrous diethyl ether