HuagongsheHuagongshe Chemistry Print Report · For research reference only
1-(2,3-Dihydro-8-hydroxy-1,4-benzodioxin-5-yl)ethan-1-one → HCID 136335638, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 1-(2,3-Dihydro-8-hydroxy-1,4-benzodioxin-5-yl)ethan-1-one | HCID 80337 | — |
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Solvent | Ethanol | HCID 702 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | HCID 136335638 | HCID 136335638 | 57.4% |
Reaction Steps
A solution of 19.4 g (0.1 mole) of 5-hydroxyl 8-acetyl-1,4-benzodioxane (VIIi) and 10.4 g (0.15 mole) of hydroxylamine hydrochloride in 50 ml of pyridine and 50 ml of ethanol was brought to reflux for 7 hours. Then, the solvents were evaporated and the residue crystallized in water. 12 g of product were obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04248788 |
| Source dataset | uspto-grants-1981_02 |
| ORD ID | ord-0914686245c24263a59e9f4481e1efbc |
| Source note | uspto-grants-1981_02 |