2-(4-Nitro-3-pentafluorosulfanylphenyl)isoindole-1,3-dione → 2-(4-Amino-3-pentafluorosulfanylphenyl)isoindole-1,3-dione
Reaction equation
[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([N:10]2[C:18](=[O:19])[C:17]3[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=3)[C:11]2=[O:20])=[CH:6][C:5]=1[S:21]([F:26])([F:25])([F:24])([F:23])[F:22])([O-])=O.[H][H]>CO.[Pd]>[NH2:1][C:4]1[CH:9]=[CH:8][C:7]([N:10]2[C:18](=[O:19])[C:17]3[C:12](=[CH:13][CH:14]=[CH:15][CH:16]=3)[C:11]2=[O:20])=[CH:6][C:5]=1[S:21]([F:26])([F:25])([F:22])([F:23])[F:24]Participants
5
Procedure
1.94 g (4.92 mmol) of 2-(4-nitro-3-pentafluorosulfanylphenyl)isoindole-1,3-dione 51.5 were dissolved in 20 ml of methanol, admixed with 53 mg of 10% palladium on activated carbon and hydrogenated at room temperature at a hydrogen pressure of 5 bar. After the reaction had ended, the mixture was filtered from the catalyst and the filtrate was concentrated. The residue was stirred in a mixture of dichloromethane and n-heptane, filtered with suction and dried under reduced pressure. 2-(4-Amino-3-pentafluorosulfanylphenyl)isoindole-1,3-dione 51.7 with the melting point of 176-178° C. was obtained.
Workup
- filtrationthe mixture was filtered from the catalyst
- concentrationthe filtrate was concentrated
- filtrationfiltered with suction
- customdried under reduced pressure
Sources & evidence
- ORD record
- ord-cb4024e2c37e48c0a9a875265f1243df
- Source dataset
- uspto-grants-2010_07
- Patent number
- US07759366B2
Reaction notes
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