Acryloyl chloride → 2-Acrylamido-3-cyano-7-dimethylamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene
Reaction equation
[NH2:1][C:2]1[O:3][C:4]2[C:9]([CH:10]([C:14]3[CH:19]=[C:18]([O:20][CH3:21])[C:17]([O:22][CH3:23])=[C:16]([Br:24])[CH:15]=3)[C:11]=1[C:12]#[N:13])=[CH:8][CH:7]=[C:6]([N:25]([CH3:27])[CH3:26])[CH:5]=2.[C:28](Cl)(=[O:31])[CH:29]=[CH2:30]>>[C:28]([NH:1][C:2]1[O:3][C:4]2[C:9]([CH:10]([C:14]3[CH:19]=[C:18]([O:20][CH3:21])[C:17]([O:22][CH3:23])=[C:16]([Br:24])[CH:15]=3)[C:11]=1[C:12]#[N:13])=[CH:8][CH:7]=[C:6]([N:25]([CH3:27])[CH3:26])[CH:5]=2)(=[O:31])[CH:29]=[CH2:30]Participants
3
Procedure
The title compound was prepared from 2-amino-3-cyano-7-dimethylamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene and acryloyl chloride as a yellow solid by a procedure similar to that described for Example 80. 1H NMR (CDCl3): 6.96-6.23 (m, 7H), 5.92 (d, J=10.2, 1H), 4.73 (s, 1H), 3.87 (s, 3H), 3.85 (s, 3H), 2.96 (s, 6H).
Sources & evidence
- ORD record
- ord-562ff9997ada41358d60dd652982a399
- Source dataset
- uspto-grants-2009_03
- Patent number
- US07507762B2
Reaction notes
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