HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 21846387, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 1,6-difluoronaphthalene | HCID 640620 | — |
| Reactant | Aluminum(III) Chloride | HCID 6451240 | — |
| Solvent | 1,2-Dichloroethane | HCID 11 | — |
| Product | HCID 21846387 | HCID 21846387 | 80% |
Reaction Conditions
| Temperature | 0 °C |
|---|
Reaction Steps
1,6-Difluoronaphthalene (0.164 g, 1.0 mmol) was dissolved in 1,2-dichloroethane (5 mL) and cooled to 0° C. Aluminum trichloride (0.264 g, 2.0 mmol) was added as a solid to the solution. Acetic anhydride (0.1 mL, 1.0 mmol) was added slowly over 20 minutes to the solution while maintaining a temperature of 0° C. The reaction was poured onto ice-cold 10% aqueous hydrochloric acid and extracted with methylene chloride (2×10 mL). The organic layer was dried over sodium sulfate, concentrated, and purified by column chromatography to give 1-(4,7-difluoronaphth-1-yl)-ethanone as an oil (0.165 g, 80%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05952331 |
| Source dataset | uspto-grants-1999_09 |
| ORD ID | ord-b4d360b9ead44763869b3e7b0ec9b5fa |
| Source note | uspto-grants-1999_09 |