関与物質
| 役割 | 名称 | HCID | 仕込み量 |
|---|
| 反応物 | Pyridine | HCID 1049 | — |
| 反応物 | 4-Chloropyridin-2-ol | HCID 2757611 | — |
| 反応物 | 4-(2-Hydroxy-2-methylpropoxy)-3-methoxyphenylboronic acid | HCID 58579863 | — |
| 溶媒 | Methanol | HCID 887 | — |
| 溶媒 | Dichloromethane | HCID 6344 | — |
| 生成物 | 4-chloro-1-(4-(2-hydroxy-2-methylpropoxy)-3-methoxyphenyl)pyridin-2(1H)-one | HCID 58580294 | 62.8% |
反応手順
Pyridine (1.2 mL, 15.4 mmol) was added to a stirred solution of commercially available 4-chloropyridin-2(1H)-one (100 mg, 0.77 mmol), 4-(2-hydroxy-2-methylpropoxy)-3-methoxyphenylboronic acid Part C (278 mg, 1.16 mmol), and copper (II) acetate, monohydrate (154 mg, 0.77 mmol) in CH2Cl2 (7 mL) and MeOH (0.7 mL). The reaction mixture stirred at RT under the presence of air overnight (21 hours). The reaction mixture was diluted with CH2Cl2, washed with IN HCl, sat. NaHCO3, dried (Na2SO4), and concentrated. The crude product was purified using preparative HPLC (C18 column/10:90:0.1 to 90:10:0.1 MeOH—H2O-TFA) to afford the desired product 4-chloro-1-(4-(2-hydroxy-2-methylpropoxy)-3-methoxyphenyl)pyridin-2(1H)-one 9D (169 mg, 0.49 mmol, 62.8% yield) as a brown gum. LC/MS 324 (M+H)+, tR 0.75 min (method 5)
情報源と証拠
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| 特許番号 | US08563583B2 |
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| 出典データセット | uspto-grants-2013_10 |
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| ORD ID | ord-febe04c268f74042b1c1e8a49da96f38 |
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| 出典メモ | uspto-grants-2013_10 |
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