HuagongsheHuagongshe Chemistry Print Report · For research reference only
Bromine → HCID 22313787, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Bromine | HCID 24408 | — |
| Reactant | 2'-Fluoro-4'-hydroxyacetophenone | HCID 2724912 | — |
| Solvent | 1,4-Dioxane | HCID 31275 | — |
| Product | HCID 22313787 | HCID 22313787 | 75% |
Reaction Steps
To a solution of 5 g (32.44 mmol) of 1-(2-fluoro-4-hydroxyphenyl)ethanone dissolved in 140 ml of anhydrous dioxane are added dropwise 5.7 g (35.68 mmol, 1.83 ml) of dibromine at 0° C. under argon. The reaction mixture is brought to 70° C. for 3 h. The solvent is concentrated by vacuum evaporation and the solid is recrystallized in 40 ml of 1,2-dichloroethane to yield 5.67 g (75%) of 2-bromo-1-(2-fluoro-4-hydroxyphenyl)ethanone in the form of a violet solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08889711B2 |
| Source dataset | uspto-grants-2014_11 |
| ORD ID | ord-81eebc2984e44665b564f461b2b24d9d |
| Source note | uspto-grants-2014_11 |