HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 53656353, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | Ethyl 3-oxo-3-(2,4,5-trifluoro-3-methylphenyl)propanoate | HCID 14052572 | — |
| Reactant | Ethylorthoformate | HCID 53630039 | — |
| Product | HCID 53656353 | HCID 53656353 | 99.2% |
Reaction Steps
A mixture of ethyl 2-(2,4,5-trifluoro-3-methylbenzoyl)acetate (5.02 g), ethyl orthoformate (4.29 g) and acetic anhydride (4.93 g) was stirred at 130° to 135° C. for 5 hours and then concentrated under reduced pressure to give the title compound (6.05 g) as red oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04894458 |
| Source dataset | uspto-grants-1990_01 |
| ORD ID | ord-7c7b82bb3e8a4694a102cc27c14778fe |
| Source note | uspto-grants-1990_01 |