HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrogen Bromide → HCID 54689952, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrogen Bromide | HCID 260 | — |
| Reactant | 2-phenyl-4-(4-fluorophenyl)-5-methoxy-3(2H)-pyridazinone | HCID 21933850 | — |
| Product | HCID 54689952 | HCID 54689952 | 92% |
Reaction Steps
The 2-phenyl-4-(4-fluorophenyl)-5-methoxy-3(2H)-pyridazinone product was treated with 48% HBr according to the method of Example 7 to furnish 2-phenyl-4-(4-fluorophenyl)-5-hydroxy-3(2H)-pyridazinone (yield: 957 mg, 92%). MS (DCI/NH3) m/z 283 (M+H)+, 300 (M+NH4)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06307047B1 |
| Source dataset | uspto-grants-2001_10 |
| ORD ID | ord-ca07820085c64b6fbcdad1f110bb85d1 |
| Source note | uspto-grants-2001_10 |