反応式
[Br:1][C:2]1[CH:8]=[CH:7][C:5]([NH2:6])=[CH:4][C:3]=1[CH3:9].Cl[CH2:11][CH2:12][N:13]1[CH2:18][CH2:17][O:16][CH2:15][CH2:14]1.C([O-])([O-])=O.[K+].[K+].[Na+].[I-]>CS(C)=O.CCOC(C)=O>[Br:1][C:2]1[CH:8]=[CH:7][C:5]([NH:6][CH2:11][CH2:12][N:13]2[CH2:18][CH2:17][O:16][CH2:15][CH2:14]2)=[CH:4][C:3]=1[CH3:9]参加物
実験手順
4-Bromo-3-methylaniline (0.96 gm, 5.14 mmol), 4-(2-chloro-ethyl)-morpholine (1 gm, 5.4 mmol), K2CO3 (1.5 gm, 10.8 mmol), and NaI (0.81 gm, 5.4 mmol) were suspended in DMSO (10 mL) and the mixture was stirred vigorously at reflux for 12 h. The mixture was cooled, diluted with EtOAc, and washed with saturated NaHCO3. The organic layer was washed with another portion of NaHCO3, brine (50 mL), and was dried over MgSO4. Removal of the solvents in vacuo followed by flash chromatography of the residue (Biotage Flash System—40 M SiO2 column, 10% EtOAc in hexanes to 100% EtOAc) yielded the product (500 mg, 31%) as a tan oil. 1H-NMR (CDCl3; 400 MHz): δ 7.36 (d, 1H, J=8.6 Hz), 6.61 (d, 1H, J=2.8 Hz), 6.43 (dd, 1H, d, 8.6, 2.8 Hz), 4.36 (br s, 1H), 3.80 (t, 4H, J=4.6 Hz), 3.20 (t, 2H, J=5.8 Hz), 2.69 (t, 2H, J=6.0 Hz), 2.54 (t, 4H, J=4.4 Hz), 2.40 (s, 3H). ESI-MS (m/z): Calcd. for C13H19BrN2O: 299.2; found: 299.1, 301.1.
後処理
- temperatureat reflux for 12 h
- temperatureThe mixture was cooled
- washwashed with saturated NaHCO3
- washThe organic layer was washed with another portion of NaHCO3, brine (50 mL)
- dry with materialwas dried over MgSO4
- customRemoval of the solvents in vacuo
出典と根拠
- ORDレコード
- ord-4c975158b43140fd95df4e953d3591dc
- 出典データセット
- uspto-grants-2006_11
- 特許番号
- US07138530B2
関連ノート
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