反応式
Cl[C:2]1[CH:7]=[C:6]([C:8]2[CH:16]=[CH:15][CH:14]=[C:13]3[C:9]=2[CH:10]=[N:11][NH:12]3)[N:5]=[C:4]2[N:17]([CH3:20])[N:18]=[CH:19][C:3]=12.[CH3:21][O:22][C:23]1[CH:24]=[C:25]([OH:31])[CH:26]=[CH:27][C:28]=1[O:29][CH3:30].C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.C(OCC)(=O)C>[CH3:21][O:22][C:23]1[CH:24]=[C:25]([CH:26]=[CH:27][C:28]=1[O:29][CH3:30])[O:31][C:2]1[CH:7]=[C:6]([C:8]2[CH:16]=[CH:15][CH:14]=[C:13]3[C:9]=2[CH:10]=[N:11][NH:12]3)[N:5]=[C:4]2[N:17]([CH3:20])[N:18]=[CH:19][C:3]=12参加物
反応条件
- 温度
- 155 °C
実験手順
4-Chloro-6-(1H-indazol-4-yl)-1-methyl-1H-pyrazolo[3,4-b]pyridine 7 (0.040 g, 0.141 mmoles) was dissolved in 2 mL DMF. 3,4-Dimethoxyphenol 8c (0.035 g, 0.281 mmol) was added followed by the addition of potassium carbonate (0.2 g, 1.41 mmol) and the resultant reaction mixture was heated in a microwave at 155° C. for 1 hour. The reaction mixture was diluted with ethyl acetate and filtered. The organic portions were washed with saturated sodium bicarbonate solution followed by brine, dried over anhydrous sodium sulfate, solvent removed and purified to obtain 108 as a white solid (10 mg, 20%). 1H NMR (400 MHz, CDCl3) δ 10.13 (s, 1H), 8.81 (s, 1H), 7.76-7.40 (m, 4H), 7.14-6.87 (m, 2H), 6.87-6.65 (m, 2H), 4.25 (d, J=16.2, 3H), 3.91 (d, J=31.0, 6H) MS (ESI) m/z 402.2 (M+1)+
後処理
- customthe resultant reaction mixture
- filtrationfiltered
- washThe organic portions were washed with saturated sodium bicarbonate solution
- dry with materialdried over anhydrous sodium sulfate, solvent
- customremoved
- custompurified
出典と根拠
- ORDレコード
- ord-3c9ca5a119284ba48f8e1e057f79463d
- 出典データセット
- uspto-grants-2014_02
- 特許番号
- US08653098B2
関連ノート
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