HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydroxyamine hydrochloride → HCID 72363102, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | Sodium Acetate | HCID 517045 | — |
| Reactant | 8-Fluoro-2,3-dihydro-4H-1-benzopyran-4-one | HCID 13953817 | — |
| Product | HCID 72363102 | HCID 72363102 | — |
Reaction Steps
A round bottom flask was charged with 8-fluorochroman-4-one (8.2 g), hydroxylamine hydrochloride (3.78 g) and sodium acetate (4.46 g). A reflux condenser was added, the flask was purged with argon, dry EtOH (20 mL) was added, and the mixture was stirred at reflux for 18 hours. The solution was cooled to room temperature, diluted with EtOAc, and washed with water. The organic phase was dried, and evaporated to give the intermediate 8-fluorochroman-4-one oxime (4), which was reduced with Raney Nickel in EtOH at 50 PSI to yield the title amine (5) (4.69 g, 57%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07902187B2 |
| Source dataset | uspto-grants-2011_03 |
| ORD ID | ord-d4de2a6a00234d4c8ca6508be5889562 |
| Source note | uspto-grants-2011_03 |