HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ammonia → 6-(4-Methoxyphenyl)-4-oxo-4H-pyran-2-carboxamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ammonia | HCID 222 | — |
| Reactant | HCID 12846663 | HCID 12846663 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | 6-(4-Methoxyphenyl)-4-oxo-4H-pyran-2-carboxamide | HCID 342974 | — |
Reaction Steps
A mixture of ethyl 6-(4-methoxyphenyl)-4-oxo-4H-pyran-2-carboxylate (27.4 g), ammonia solution (30%, 50 ml) and ethanol (300 ml) was heated under reflux for an hour. The yellow solid which precipitated on cooling was filtered off and recrystallised from acetic acid-ethanol to yield the title product (mp 303°-308° C. with decomposition).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04448787 |
| Source dataset | uspto-grants-1984_05 |
| ORD ID | ord-3dfcc56ac6e241f8a88755fe5268cd44 |
| Source note | uspto-grants-1984_05 |