tert-Butyl 4-(4-aminophenyl)piperazine-1-carboxylate → HCID 58043728, compound
Reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[CH2:13][CH2:12][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:10][CH2:9]2)=[CH:4][CH:3]=1.Br[C:22]1[C:23](=[O:30])[N:24]([CH3:29])[CH:25]=[C:26]([Br:28])[N:27]=1>>[Br:28][C:26]1[N:27]=[C:22]([NH:1][C:2]2[CH:7]=[CH:6][C:5]([N:8]3[CH2:13][CH2:12][N:11]([C:14]([O:16][C:17]([CH3:20])([CH3:19])[CH3:18])=[O:15])[CH2:10][CH2:9]3)=[CH:4][CH:3]=2)[C:23](=[O:30])[N:24]([CH3:29])[CH:25]=1Participants
3
Procedure
Following Example 188c, 327b (2.6 g, 9.4 mmol) and 3,5-dibromo-1-methylpyrazin-2(1H)-one (2.5 g, 9.4 mmol) were reacted to give 327c as a yellow solid (2.96 g, 68%). MS: [M+H]+ 464.
Workup
- customwere reacted
Sources & evidence
- ORD record
- ord-567a6c5fd8c04d60a497922b311ad841
- Source dataset
- uspto-grants-2013_12
- Patent number
- US08618107B2
Reaction notes
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