3-[(2-Chloro-6-nitrophenyl)amino]-1-propanol → 3-[(2-Amino-6-chlorophenyl)amino]-1-propanol
Reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([N+:8]([O-])=O)[C:3]=1[NH:11][CH2:12][CH2:13][CH2:14][OH:15].[H][H]>[Ni].C(O)C>[NH2:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[C:3]=1[NH:11][CH2:12][CH2:13][CH2:14][OH:15]Participants
5
Procedure
A mixture of 115 parts of 3-[(2-chloro-6-nitrophenyl)amino]-1-propanol and 400 parts of ethanol is hydrogenated at normal pressure and at room temperature with 12 parts of a Raney-nickel catalyst. After the calculated amount of hydrogen is taken up the catalyst is filtered off and the filtrate is evaporated. The residue is purified by colun-chromatography over silica gel using a mixture of trichloromethane and 5% of methanol as eluent. The pure fractions are collected and the eluent is evaporated, yielding 20 parts (20%) of 3-[(2-amino-6-chlorophenyl)amino]-1-propanol as a residue.
Workup
- filtrationis filtered off
- customthe filtrate is evaporated
- customThe residue is purified by colun-chromatography over silica gel using
- additiona mixture of trichloromethane and 5% of methanol as eluent
- customThe pure fractions are collected
- customthe eluent is evaporated
Sources & evidence
- ORD record
- ord-397e3e05cfb74678b2749d6b26a83812
- Source dataset
- uspto-grants-1979_07
- Patent number
- US04160836
Reaction notes
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