反応式
[Cl:1][C:2]1[N:7]=[C:6]([S:8][CH3:9])[N:5]=[C:4]2[NH:10][N:11]=[C:12]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=3[Cl:19])[C:3]=12.[CH3:20][Si:21]([CH3:29])([CH3:28])[CH2:22][CH2:23][O:24][CH:25](Cl)Cl.[H-].[Na+]>CN(C=O)C>[Cl:1][C:2]1[N:7]=[C:6]([S:8][CH3:9])[N:5]=[C:4]2[N:10]([CH2:25][O:24][CH2:23][CH2:22][Si:21]([CH3:29])([CH3:28])[CH3:20])[N:11]=[C:12]([C:13]3[CH:18]=[CH:17][CH:16]=[CH:15][C:14]=3[Cl:19])[C:3]=12参加物
実験手順
To a solution of 4-chloro-3-(2-chloro-phenyl)-6-methylsulfanyl-1H-pyrazolo[3,4-d]pyrimidine (2.30 g, 7.39 mmol) and 2-(trimethylsilyl)-ethoxymethylene chloride (1.96 mL, 11.086 mmol) in dry DMF (40 mL) at 0° C. under nitrogen was added sodium hydride (0.354 g of 60% solids in mineral oil, 14.78 mmol). The reaction mixture was stirred for two hours and allowed to warm to room temperature during this time. The reaction mixture was partitioned between water and ethyl acetate, and the organic layer was separate, washed with brine, dried over MgSO4, filtered and concentrated under reduced pressure. The residue was chromatographed on silica (01% to 20% EtOAc in hexanes) to give 2.30 g of 4-chloro-3-(2-chloro-phenyl)-6-methylsulfanyl-1-(2-trimethylsilanyl-ethoxymethyl)-1H-pyrazolo[3,4-d]pyrimidine
後処理
- customThe reaction mixture was partitioned between water and ethyl acetate
- customthe organic layer was separate
- washwashed with brine
- dry with materialdried over MgSO4
- filtrationfiltered
- concentrationconcentrated under reduced pressure
- customThe residue was chromatographed on silica (01% to 20% EtOAc in hexanes)
出典と根拠
- ORDレコード
- ord-d25ffac6c47043adb33dc2078e34288f
- 出典データセット
- uspto-grants-2009_10
- 特許番号
- US07608603B2
関連ノート
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