HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → 4-Ethoxymethylene-2,6-dimethyl-3,5-heptanedione
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | 3,5-Heptanedione, 2,6-dimethyl- | HCID 87597 | — |
| Reactant | Ethylorthoformate | HCID 53630039 | — |
| Product | 4-Ethoxymethylene-2,6-dimethyl-3,5-heptanedione | HCID 22648765 | 49.2% |
Reaction Steps
A mixture comprising 17.2 g (110 mmol) of 2,6-dimethyl-3,5-heptanedione, 22.8 g (153 mmol) of ethyl orthoformate and 31.5 g (309 mmol) of acetic anhydride, was reacted for 2 hours at 110° C. The solvent was distilled off under reduced pressure to obtain 11.5 g (yield: 49%) of 4-ethoxymethylene-2,6-dimethyl-3,5-heptanedione.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06806230B1 |
| Source dataset | uspto-grants-2004_10 |
| ORD ID | ord-c3b1d189afcf481999b8b4b766aaf838 |
| Source note | uspto-grants-2004_10 |