HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 178506259, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | 4-Bromobenzene-1,2-diamine | HCID 323593 | — |
| Product | HCID 178506259 | HCID 178506259 | 61.3% |
Reaction Steps
A mixture of 4-bromobenzene-1,2-diamine (3.0 g, 16.0 mmol), TFA (9.5 mL, 128.3 mmol) and aq. HCl (3 M, 32 mL) was heated to reflux overnight. The reaction mixture was concentrated and purified by column chromatography to afford the titled compound (2.60 g, 60%). LCMS: 265.0 [M+1]+. 1HNMR (400 MHz, DMSO-d6): δ 7.52 (dd, J=8.8 Hz, 1.2 Hz, 1H), 7.69 (d, J=8.4 Hz, 1H), 7.95 (s, 1H), 14.20 (br, 1H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08461157B2 |
| Source dataset | uspto-grants-2013_06 |
| ORD ID | ord-25a171be88a4444b93ec373434dc9922 |
| Source note | uspto-grants-2013_06 |