HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 54005521, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | Ethyl orthoformate | HCID 31214 | — |
| Reactant | HCID 13579158 | HCID 13579158 | — |
| Product | HCID 54005521 | HCID 54005521 | 92.3% |
Reaction Steps
103 g (0.37 mole) of the ester obtained and 83 g (0.56 mole) of triethyl orthoformate are heated with 95 g of acetic anhydride at 150°-160° for 2 hours and then concentrated at 120°-130° under atmospheric pressure and thereafter under high vacuum. 115 g (92% of theory) of ethyl 2-(5-chloro-2,3,4-trifluorobenzoyl)-3-ethoxyacrylate are obtained as an oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05571812 |
| Source dataset | uspto-grants-1996_11 |
| ORD ID | ord-03ddc6ca7b394abbbad904cb11eeb256 |
| Source note | uspto-grants-1996_11 |