참여 물질
| 역할 | 이름 | HCID | 투입량 |
|---|
| 반응물 | Pyridine | HCID 1049 | — |
| 반응물 | 4-Chloropyridin-2-ol | HCID 2757611 | — |
| 반응물 | 4-(2-Hydroxy-2-methylpropoxy)-3-methoxyphenylboronic acid | HCID 58579863 | — |
| 용매 | Methanol | HCID 887 | — |
| 용매 | Dichloromethane | HCID 6344 | — |
| 생성물 | 4-chloro-1-(4-(2-hydroxy-2-methylpropoxy)-3-methoxyphenyl)pyridin-2(1H)-one | HCID 58580294 | 62.8% |
반응 단계
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)
출처 및 근거
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| 특허 번호 | US08563583B2 |
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| 출처 데이터셋 | uspto-grants-2013_10 |
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| ORD ID | ord-febe04c268f74042b1c1e8a49da96f38 |
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| 출처 메모 | uspto-grants-2013_10 |
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