N-bromobutanimide → 4-Bromomethyl-2,5-dimethoxybenzonitrile
Reaction equation
[CH3:1][O:2][C:3]1[CH:10]=[C:9]([CH3:11])[C:8]([O:12][CH3:13])=[CH:7][C:4]=1[C:5]#[N:6].C1C(=O)N([Br:21])C(=O)C1>>[Br:21][CH2:11][C:9]1[C:8]([O:12][CH3:13])=[CH:7][C:4]([C:5]#[N:6])=[C:3]([O:2][CH3:1])[CH:10]=1Participants
3
Procedure
2,5-Dimethoxy-4-methylbenzonitrile (4.06 g, 21.5 mmol) is brominates with NBS according to Example 1A to give 4-bromomethyl-2,5-dimethoxybenzonitrile. 1H NMR (400 MHz, CDCl3) δ (ppm) 6.95 (s, 1H), 6.91 (s, 1H), 4.43 (s, 2H), 3.84 (s, 3H), 3.80 (s, 3H).
Sources & evidence
- ORD record
- ord-cee3297a78c8402b94cb6de8ee48ff8d
- Source dataset
- uspto-grants-2014_09
- Patent number
- US08835646B2
Reaction notes
Loading…