Guanidine → 2-Amino-10-bromo-5H,7H-benzo[b]pyrimido[4,5-d]azepin-6-one
Reaction equation
[Br:1][C:2]1[CH:18]=[CH:17][C:5]2[NH:6][C:7](=[O:16])[CH2:8][C:9](=[CH:12]N(C)C)[C:10](=O)[C:4]=2[CH:3]=1.[NH2:19][C:20]([NH2:22])=[NH:21]>>[NH2:21][C:20]1[N:22]=[CH:12][C:9]2[CH2:8][C:7](=[O:16])[NH:6][C:5]3[CH:17]=[CH:18][C:2]([Br:1])=[CH:3][C:4]=3[C:10]=2[N:19]=1Participants
3
Procedure
In a manner similar to that described in method H, 7-bromo-4-dimethylaminomethylene-3,4-dihydro-1H-benzo[b]azepine-2,5-dione (v-k) and guanidine were converted to I-44 (79%): HRMS Calcd. for C12H9BrN4O: 305.0037, Found 305.0042.
Sources & evidence
- ORD record
- ord-d52794d63ca544ea88337cf15342ba61
- Source dataset
- uspto-grants-2008_12
- Patent number
- US07459448B2
Reaction notes
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