Diisopropylethylamine → 1-[3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl]-3-[3-(2-ethoxypropan-2-yl)-1-phenyl-1H-pyrazol-5-yl]urea

HRID 631495Notes

Reaction equation

HRID 631495 reaction equation
[CH2:1]([O:3][C:4]([C:7]1[CH:11]=[C:10]([NH:12][C:13](=[O:21])OC2C=CC=CC=2)[N:9]([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)[N:8]=1)([CH3:6])[CH3:5])[CH3:2].[CH3:28][O:29][C:30]1[CH:31]=[C:32]2[C:37](=[CH:38][C:39]=1[O:40][CH3:41])[N:36]=[CH:35][N:34]=[C:33]2[O:42][C:43]1[CH:44]=[C:45]([CH:47]=[CH:48][CH:49]=1)[NH2:46].C(N(CC)C(C)C)(C)C>C1COCC1>[CH3:28][O:29][C:30]1[CH:31]=[C:32]2[C:37](=[CH:38][C:39]=1[O:40][CH3:41])[N:36]=[CH:35][N:34]=[C:33]2[O:42][C:43]1[CH:44]=[C:45]([NH:46][C:13]([NH:12][C:10]2[N:9]([C:22]3[CH:23]=[CH:24][CH:25]=[CH:26][CH:27]=3)[N:8]=[C:7]([C:4]([O:3][CH2:1][CH3:2])([CH3:5])[CH3:6])[CH:11]=2)=[O:21])[CH:47]=[CH:48][CH:49]=1

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 498410023-[(6,7-Dimethoxy-4-quinazolinyl)oxy]anilineHCID 66876777phenyl 3-(2-ethoxypropan-2-yl)-1-phenyl-1H-pyrazol-5-ylcarbamate

Product 1

HCID 442428561-[3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl]-3-[3-(2-ethoxypropan-2-yl)-1-phenyl-1H-pyrazol-5-yl]ureaYield 60.2%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Conditions

Temperature
50 °C

Procedure

Using the procedure described in Example 159B, phenyl 3-(2-ethoxypropan-2-yl)-1-phenyl-1H-pyrazol-5-ylcarbamate (0.115 g, 0.33 mmol), 3-(6,7-dimethoxyquinazolin-4-yloxy)aniline from Example 113A (0.098 g, 0.33 mmol), and N,N-diisopropylethylamine (0.8 mL) in THF (6 mL) were heated at 50° C. for 5 hours, to afford 1-[3-(6,7-dimethoxyquinazolin-4-yloxy)phenyl]-3-[3-(2-ethoxypropan-2-yl)-1-phenyl-1H-pyrazol-5-yl]urea as solid (0.113 g, 60%). 1H NMR (300 MHz, DMSO-d6) δ 9.25 (br, 1H), 8.55 (s, 1H), 8.54 (s, 1H), 7.54 (m, 6H), 7.39 (m, 3H), 7.18 (d, 1H), 6.93 (d, 1H), 6.41 (s, 1H), 3.77 (s, 3H), 3.98 (s, 3H), 3.25 (q, 2H), 1.45 (s, 6H), 1.03 (t, 3H); LC-MS (ESI) m/z 523 (M-OEt)+.

Sources & evidence

ORD record
ord-ce12f91b97bc4e41a75ed9503a5010bf
Source dataset
uspto-grants-2016_04
Patent number
US09320739B2

Reaction notes

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