Dimethylformamide → 5-[(1-Methyl-1H-imidazol-2-yl)sulfanyl]-2-nitroaniline
Reaction equation
[NH2:1][C:2]1[CH:7]=[C:6](Cl)[CH:5]=[CH:4][C:3]=1[N+:9]([O-:11])=[O:10].[CH3:12][N:13]1[CH:17]=[CH:16][N:15]=[C:14]1[SH:18].C(=O)([O-])[O-].[K+].[K+].CN(C)C=O>O>[NH2:1][C:2]1[CH:7]=[C:6]([S:18][C:14]2[N:13]([CH3:12])[CH:17]=[CH:16][N:15]=2)[CH:5]=[CH:4][C:3]=1[N+:9]([O-:11])=[O:10]Participants
6
Procedure
A mixture of 2.5 G. of 2-amino-4-chloro-1-nitrobenzene, 3.4 g. of 1-methyl-2-mercapto-imidazole and 4.2 g. potassium carbonate in 20 ml. dimethylformamide is heated overnight at 110°-120° C., then cooled, and poured into water. The product is filtered off and recrystallized from aqueous methanol to give 2-amino-4-(1-methylimidazol-2-ylthio)-1-nitrobenzene.
Workup
- additionA mixture of 2.5 G
- temperaturecooled
- filtrationThe product is filtered off
- customrecrystallized from aqueous methanol
Sources & evidence
- ORD record
- ord-d4ddb38805a4419b8a7d277fc73d09d9
- Source dataset
- uspto-grants-1977_01
- Patent number
- US04005202
Reaction notes
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