Ethanol → 3-amino-4-(6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)benzonitrile
反応式
[CH:1]1[N:5]=[CH:4][N:3]2[CH:6]([C:9]3[CH:16]=[CH:15][C:12]([C:13]#[N:14])=[CH:11][C:10]=3[N+:17]([O-])=O)[CH2:7][CH2:8][C:2]=12.CCO>C1COCC1.[Pd]>[NH2:17][C:10]1[CH:11]=[C:12]([CH:15]=[CH:16][C:9]=1[CH:6]1[N:3]2[CH:4]=[N:5][CH:1]=[C:2]2[CH2:8][CH2:7]1)[C:13]#[N:14]参加物
5
実験手順
4-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)-3-nitrobenzonitrile (0.054 g, 0.212 mmol) is dissolved in THF (2 mL) and EtOH (2 mL) and 5% palladium on carbon (wet) (15 mg) is then added. The mixture is placed under an atmosphere of hydrogen overnight. The mixture is then filtered and concentrated. The residue is purified via HPLC (reversed phase, CH3CN/H2O) to give 3-amino-4-(6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)benzonitrile as a solid. MS (ESI) m/z 225.0 (M+H); 1H NMR (400 MHz, CH3CN) (TFA salt) δ ppm 2.45-2.57 (m, 1H), 2.99-3.16 (m, 3H), 4.47 (br s, 2H), 5.68-5.75 (m, 1H), 6.69 (d, J=7.8 Hz, 1H), 6.98 (d, J=1.5 Hz, 1H), 7.09 (d, J=1.8 Hz, 1H), 7.21 (s, 1H), 8.32 (s, 1H).
後処理
- filtrationThe mixture is then filtered
- concentrationconcentrated
- customThe residue is purified via HPLC (reversed phase, CH3CN/H2O)
出典と根拠
- ORDレコード
- ord-e835f0ca087343c1a1321804e459f101
- 出典データセット
- uspto-grants-2016_03
- 特許番号
- US09278969B2
反応ノート
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