HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydroxyamine hydrochloride → HCID 13051039, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | Sodium Formate | HCID 2723810 | — |
| Reactant | 9-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetate | HCID 86737239 | — |
| Solvent | Formic Acid | HCID 284 | — |
| Product | HCID 13051039 | HCID 13051039 | — |
Reaction Steps
A mixture of 9-hydroxy-1-oxo-1H-naphtho[2,1-b]pyran-2-carboxaldehyde acetate (1 mm), hydroxylamine hydrochloride (1.3 mm) and sodium formate (2 mm) is refluxed for 30 hrs. in formic acid (3 parts). The product crystallize on cooling, is filtered and washed with acetone. The dry crystals are light beige, m.p. 289°-92° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04225722 |
| Source dataset | uspto-grants-1980_09 |
| ORD ID | ord-1f75bfc4a18549a383df5e6ba879eded |
| Source note | uspto-grants-1980_09 |