N-(3-methoxyphenyl)piperazine → 1-[(3,6-Dimethoxyquinoxalin-2-yl)aminocarbonyl]-4-(3-methoxyphenyl)piperazine
Reaction equation
[CH3:1][O:2][C:3]1[C:4]([NH:15][C:16](=[O:20])OCC)=[N:5][C:6]2[C:11]([N:12]=1)=[CH:10][C:9]([O:13][CH3:14])=[CH:8][CH:7]=2.[CH3:21][O:22][C:23]1[CH:24]=[C:25]([N:29]2[CH2:34][CH2:33][NH:32][CH2:31][CH2:30]2)[CH:26]=[CH:27][CH:28]=1>>[CH3:1][O:2][C:3]1[C:4]([NH:15][C:16]([N:32]2[CH2:31][CH2:30][N:29]([C:25]3[CH:26]=[CH:27][CH:28]=[C:23]([O:22][CH3:21])[CH:24]=3)[CH2:34][CH2:33]2)=[O:20])=[N:5][C:6]2[C:11]([N:12]=1)=[CH:10][C:9]([O:13][CH3:14])=[CH:8][CH:7]=2Participants
3
Procedure
Ethyl N-(3,6-dimethoxyquinoxalin-2-yl)carbamate and 1-(3-methoxyphenyl)piperazine were reacted by the same way with the example 148 to obtain the titled compound (yield, 90%). H NMR (300 MHz, CDCl3): δ 3.27 (s, 4H), 3.75 (s, 4H), 3.79 (s, 3H), 3.89 (s, 3H), 4.12 (s, 3H), 6.44-6.57 (m, 3H), 7.14-7.22 (m, 4H), 7.72-7.75 (m, 1H).
Sources & evidence
- ORD record
- ord-6a6774c6376440088b4dd48a2668f1d2
- Source dataset
- uspto-grants-2013_12
- Patent number
- US08598173B2
Reaction notes
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