Tetrahydrofuran → 4-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)-3-(n-propyl)benzonitrile
반응식
[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/[CH:17]=[CH:18]/[CH3:19])[CH2:7][CH2:8][C:2]=12.C1COCC1>[Pd].CCO>[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[CH2:17][CH2:18][CH3:19])[CH2:7][CH2:8][C:2]=12참가 물질
실험 절차
A suspension of 4-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)-3-((E)-propenyl)benzonitrile (0.150 g, 0.602 mmol), 20% (w/w) palladium on carbon (0.040 g), THF (15 mL), and EtOH (15 mL) is stirred under an atmosphere of hydrogen (1 atm) for 60 h. The suspension is the filtered and the filtrate concentrated. The residue is then purified by flash chromatography (Hexane/EtOAc, and then 10% MeOH/EtOAc) to give 4-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-5-yl)-3-(n-propyl)benzonitrile as a white solid. MS (ESI) m/z 252.1 (M+H); 1H NMR (400 MHz, CDCl3) δ ppm 1.04 (t, J=7.3 Hz, 3 H), 1.63-1.77 (m, 2 H), 2.33-2.45 (m, 1 H), 2.62-2.80 (m, 2 H), 2.92 (app t, J=7.1 Hz, 2 H), 3.04-3.19 (m, 1 H), 5.58 (dd, J=7.8, 5.6 Hz, 1 H), 6.73 (d, J=8.1 Hz, 1 H), 6.81 (s, 1 H), 7.25 (s, 1 H), 7.41 (d, J=8.1 Hz, 1 H), 7.51 (s, 1 H).
후처리
- filtrationfiltered
- concentrationthe filtrate concentrated
- customThe residue is then purified by flash chromatography (Hexane/EtOAc
출처 및 근거
- ORD 기록
- ord-6dcbe196f1bd4b319ee215fb5a971f3a
- 출처 데이터셋
- uspto-grants-2012_11
- 특허 번호
- US08314097B2
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