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
反応式
[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]1参加物
4
実験手順
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+).
後処理
- customThe solids were removed via filtration through diatomaceous earth
- washwashed with warm MeOH
- concentrationthe filtrate was concentrated to dryness
出典と根拠
- ORDレコード
- ord-fc158c8d3c344f75ab1538469e327c20
- 出典データセット
- uspto-grants-2015_09
- 特許番号
- US09133183B2
反応ノート
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