HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydroxyamine hydrochloride → HCID 66759309, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | Ethyl 4-[2,4-bis(benzyloxy)-6-(4-nitrophenoxy)phenyl]-2,4-dioxobutanoate | HCID 66758581 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 66759309 | HCID 66759309 | 82% |
Reaction Steps
A stirred solution of ethyl 4-[2,4-bis(benzyloxy)-6-(4-nitrophenoxy)phenyl]-2,4-dioxobutanoate (5 g, 9 mmol) and hydroxylamine hydrochloride (0.74 g, 15 mmol, 1.2 eq) in ethanol (mL 50) was refluxed for 2 hours. The solution was concentrated to a small volume and diluted with ethyl acetate. After washing with brine and drying, the solvent was removed and the residue was carefully chromatographed on silica gel eluting with hexane/ethyl acetate 6/1, to provide the title compound (4.1 g, 82% yield).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08993556B2 |
| Source dataset | uspto-grants-2015_03 |
| ORD ID | ord-5c6648198cf546548555f30d815e969c |
| Source note | uspto-grants-2015_03 |