反応式
[OH-].[Na+].[CH2:3]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:17]=[C:16]2[C:12]([CH:13]=[CH:14][NH:15]2)=[CH:11][C:10]=1[O:18][C:19]1[CH:24]=[CH:23][N:22]=[C:21]([NH:25]C(=O)C)[CH:20]=1)[CH3:4]>CO.C(OCC)(=O)C.O>[CH2:3]([O:5][CH2:6][CH2:7][O:8][C:9]1[CH:17]=[C:16]2[C:12]([CH:13]=[CH:14][NH:15]2)=[CH:11][C:10]=1[O:18][C:19]1[CH:24]=[CH:23][N:22]=[C:21]([NH2:25])[CH:20]=1)[CH3:4]参加物
反応条件
- 温度
- 75 °C
実験手順
A 2 M sodium hydroxide solution (20 mL) was added to a solution of N-(4-((6-(2-ethoxyethoxy)-1H-indol-5-yl)oxy)pyridin-2-yl)acetamide described in Production Example 24-6 (2.5 g, 7.04 mmol) in methanol (20 mL) under nitrogen atmosphere at room temperature, and the mixture was heated and stirred under reflux at 75° C. for 2 hours. The reaction liquid was allowed to stand to cool to room temperature and then diluted with ethyl acetate and water. The organic layer was washed with a saturated saline solution and then dried over anhydrous sodium sulfate. The drying agent was separated by filtration and then the filtrate was concentrated under vacuum. The resultant residue was purified with silica gel column chromatography (n-heptane:ethyl acetate=1:9-0:1-ethyl acetate:methanol=49:1-24:1) to obtain the title compound (1.92 g, 87%).
後処理
- temperaturethe mixture was heated
- customThe reaction liquid
- temperatureto cool to room temperature
- washThe organic layer was washed with a saturated saline solution
- dry with materialdried over anhydrous sodium sulfate
- customThe drying agent was separated by filtration
- concentrationthe filtrate was concentrated under vacuum
- customThe resultant residue was purified with silica gel column chromatography (n-heptane:ethyl acetate=1:9-0:1-ethyl acetate:methanol=49:1-24:1)
出典と根拠
- ORDレコード
- ord-43f451f4af754f318978d73a2566045f
- 出典データセット
- uspto-grants-2015_01
- 特許番号
- US08933099B2
関連ノート
読み込み中…