HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → 4-Phenyl-1H-2,3-benzoxazin-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | 2-Benzoylbenzoic Acid | HCID 6813 | — |
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 4-Phenyl-1H-2,3-benzoxazin-1-one | HCID 262685 | — |
Reaction Steps
A mixture of o-benzoyl benzoic acid (0.01 mol) and hydroxylamine hydrochloride (0.01 mol) is refluxed in pyridine (40 ml) for 3 hours, is cooled, and is poured over ice-cold dilute-HCl. The separated solid is filtered off, is dried and is crystallized from ethanol to give the title compound.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06180629B2 |
| Source dataset | uspto-grants-2001_01 |
| ORD ID | ord-a025c1e61e5a439ebd6c772ac886ab09 |
| Source note | uspto-grants-2001_01 |