HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 3-Bromo-5-fluoro-2-methylaniline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 1-Bromo-5-fluoro-2-methyl-3-nitrobenzene | HCID 2773385 | — |
| Catalyst | Iron | HCID 23925 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 3-Bromo-5-fluoro-2-methylaniline | HCID 2737641 | 28.1% |
Reaction Steps
To a solution of crude 1-bromo-5-fluoro-2-methyl-3-nitro-benzene (5.96 g) in MeOH (90 mL) was added concentrated hydrochloric acid (11.7 mL) and iron (6.1 g) and the reaction mixture was heated to reflux. After 16 h, the mixture was cooled, diluted with DCM, washed with sodium carbonate solution, dried (MgSO4) and the solvent removed in vacuo. The residue was purified using flash chromatography to yield 3-bromo-5-fluoro-2-methyl-phenylamine (1.46 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07846929B2 |
| Source dataset | uspto-grants-2010_12 |
| ORD ID | ord-6cb6aa5e37de4b8f954d2c5358e05f3e |
| Source note | uspto-grants-2010_12 |