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(R)-tert-butyl 3-(4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate → (R)-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1-(piperidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|---|---|---|
| 反応物 | (R)-tert-butyl 3-(4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate | HCID 86714526 | — |
| 溶媒 | Dichloromethane | HCID 6344 | — |
| 溶媒 | Trifluoroacetic acid | HCID 6422 | — |
| 生成物 | (R)-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1-(piperidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine | HCID 71015155 | 80% |
反応手順
To a solution of (R)-tert-butyl 3-(4-amino-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidine-1-carboxylate (1.7 g, 3.15 mmol) in 20 ml of DCM, TFA (20 ml) was added. The reaction mixture was stirred at RT for 4 h. The mixture was washed with sat. NaHCO3 (10 mL) and concentrated to give (R)-3-(4-(2,3-difluorophenoxy)-2-fluorophenyl)-1-(piperidin-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (1.1 g, 80% yield).
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| 特許番号 | US08946241B2 |
| 出典データセット | uspto-grants-2015_02 |
| ORD ID | ord-2e518a92e0dc42d98be1e28301378401 |
| 出典メモ | uspto-grants-2015_02 |