HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethanol → 2,4-Difluoro-benzaldehyde oxime
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | 2,4-Difluorobenzaldehyde | HCID 73770 | — |
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Solvent | Water | HCID 962 | — |
| Product | 2,4-Difluoro-benzaldehyde oxime | HCID 53395027 | 84% |
Reaction Steps
In a fashion similar to that for preparation 13, 2,4-difluorobenzaldehyde (5.00 g, 35.2 mmol), hydroxylamine hydrochloride (2.94 g, 42.3 mmol), NaOH (7.04 g, 88.0 mmol; as a 50% solution by weight in water), ethanol (15 ml), H2O (15 ml), and ice (30 g) gave 2,4-difluorobenzaldehyde oxime (4.62 g, 84%) which was used without purification.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06670373B1 |
| Source dataset | uspto-grants-2003_12 |
| ORD ID | ord-bf1ca6fc4c88446fa1d54eab536f3545 |
| Source note | uspto-grants-2003_12 |