Piperidine → HCID 58266540、化合物
反応式
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8]Cl)=[C:4]([O:10][CH3:11])[CH:3]=1.C(=O)([O-])[O-].[K+].[K+].[NH:18]1[CH2:23][CH2:22][CH2:21][CH2:20][CH2:19]1>C(#N)C>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:8][N:18]2[CH2:23][CH2:22][CH2:21][CH2:20][CH2:19]2)=[C:4]([O:10][CH3:11])[CH:3]=1参加物
5
実験手順
To a stirred solution of 4-bromo-1-chloromethyl-2-methoxybenzene (1.50 g, 6.36 mmol) in acetonitrile (64 mL) was added potassium carbonate (1.05 g, 6.36 mmol) and piperidine (0.63 mL, 6.36 mmol) then the reaction mixture was heated under reflux for 15 h. The reaction mixture was cooled to ambient temperature and then filtered, the filtrate was then concentrated under reduced pressure to afford a residue that was then loaded onto an SCX-2 cartridge (10 g) and eluted with 2N ammonia in methanol to afford the title compound (1.73 g, 96%). 1H NMR (CDCl3, 300 MHz): 7.23 (d, J=8.1 Hz, 1H), 7.05 (dd, J=8.1, 1.9 Hz, 1H), 6.97 (d, J=1.9 Hz, 1H), 3.80 (s, 3H), 3.45 (s, 2H), 2.39 (t, J=5.0 Hz, 4H), 1.62-1.51 (m, 4H), 1.47-1.39 (m, 2H).