HuagongsheHuagongshe Chemistry Print Report · For research reference only
1,2-Dichloro-3-nitro-5-(trifluoromethyl)benzene → 2,3-Dichloro-5-(trifluoromethyl)aniline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1,2-Dichloro-3-nitro-5-(trifluoromethyl)benzene | HCID 2774030 | — |
| Catalyst | Platinum oxide (PtO) | HCID 82844 | — |
| Product | 2,3-Dichloro-5-(trifluoromethyl)aniline | HCID 13059276 | 78.4% |
Reaction Steps
500 ml. of an ethanolic solution containing 3,4-dichloro-5-nitro-α,α,α-trifluorotoluene (188 g. 0.72 mol), and platinum oxide (Adam's catalyst) (0.2 g.) is reduced at room temperature in a low pressure hydrogenation apparatus to give 5-Amino-3,4-dichloro-α,α,α-trifluorotoluene (129.9 g. 78%) b.p. 65°-70° C./1-2 mm.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04063929 |
| Source dataset | uspto-grants-1977_12 |
| ORD ID | ord-11942a0981eb460d872fe8b379430ab6 |
| Source note | uspto-grants-1977_12 |