2-(1-Methyl-1h-imidazol-4-yl)-4-[(6-nitro-3-pyridinyl)oxy]pyridine → 5-((2-(1-methyl-1H-imidazol-4-yl)pyridin-4-yl)oxy)pyridin-2-amine
반응식
[CH3:1][N:2]1[CH:6]=[C:5]([C:7]2[CH:12]=[C:11]([O:13][C:14]3[CH:15]=[N:16][C:17]([N+:20]([O-])=O)=[CH:18][CH:19]=3)[CH:10]=[CH:9][N:8]=2)[N:4]=[CH:3]1>CO.[Pd]>[CH3:1][N:2]1[CH:6]=[C:5]([C:7]2[CH:12]=[C:11]([O:13][C:14]3[CH:19]=[CH:18][C:17]([NH2:20])=[N:16][CH:15]=3)[CH:10]=[CH:9][N:8]=2)[N:4]=[CH:3]1참가 물질
4
실험 절차
A solution of 2-(1-methyl-1H-imidazol-4-yl)-4-((6-nitropyridin-3-yl)oxy)pyridine (1.61 g, 5.42 mmol) in MeOH (30 mL) was treated with 10% Pd/C (50% w/w water, 0.576 g, 0.542 mmol) and hydrogenated (50 psi) overnight. The solids were removed via filtration through diatomaceous earth, washed with warm MeOH and the filtrate was concentrated to dryness to afford 5-((2-(1-methyl-1H-imidazol-4-yl)pyridin-4-yl)oxy)pyridin-2-amine (1.311 g, 91%). 1H NMR (400 MHz, DMSO-d6): δ 8.31 (d, J=5.7 Hz, 1 H), 7.81 (d, J=2.9 Hz, 1 H), 7.65 (d, J=1.3 Hz, 1 H), 7.58 (s, 1 H), 7.29 (dd, J=8.9, 3.0 Hz, 1 H), 7.19 (d, J=2.6 Hz, 1 H), 6.73 (dd, J=5.7, 2.6 Hz, 1 H), 6.52 (d, J=8.9 Hz, 1 H), 6.03 (s, 2 H), 3.67 (s, 3 H); MS (ESI) m/z: 268.1 (M+H+).
후처리
- customThe solids were removed via filtration through diatomaceous earth
- washwashed with warm MeOH
- concentrationthe filtrate was concentrated to dryness
출처 및 근거
- ORD 기록
- ord-fc158c8d3c344f75ab1538469e327c20
- 출처 데이터셋
- uspto-grants-2015_09
- 특허 번호
- US09133183B2
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