HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 635903Generated: October 26, 2026
Hydroxyamine hydrochloride → 2,2-Dimethyl-4-chromanone oxime
https://huagongshe.com/reaction/635903
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | 2,2-Dimethyl-chroman-4-one | HCID 7454290 | — |
| Solvent | Methanol | HCID 887 | — |
| Solvent | Pyridine | HCID 1049 | — |
| Product | 2,2-Dimethyl-4-chromanone oxime | HCID 131722393 | — |
Reaction Steps
A reaction mixture prepared from 10 mmol of 2,2-dimethyl-4-chromanone, 12 mmol of hydroxylamine hydrochloride in 5 ml of methanol and 5 ml of pyridine is heated with stirring over the course of 2 hours to 80-85° C., the solvent is distilled off on a rotary evaporator and the oily residue is crystallized under water.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06191164B1 |
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| Source dataset | uspto-grants-2001_02 |
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| ORD ID | ord-8b926752e5bb4b5da7a24ab2bf4e3a79 |
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| Source note | uspto-grants-2001_02 |
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