Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethanol | HCID 702 | — |
| Reactant | Hydroxyamine hydrochloride | HCID 443297 | — |
| Reactant | ETHYL 2-METHYLBENZOYLFORMATE | HCID 11622483 | — |
| Solvent | Hexane | HCID 8058 | — |
| Product | HCID 140402281 | HCID 140402281 | 68% |
Reaction Steps
To a solution containing 19.2 g of ethyl 2-methylbenzoylformate (0.1 mol) and 100 ml of ethanol, 7.6 g of hydroxylamine hydrochloride (0.11 mol) was added and the resulting mixture was heated under reflux for 5 hours. Afterwards, the solvent was distilled off under reduced pressure as a work-up procedure to give a solid. The solid, to which hexane was added, was pulverized and 14.1 g of ethyl (E)-α-hydroxyimino-o-tolylacetate (yield; 68%) was filtered off. Furthermore, the concentrated residue of the filtrate, to which ethanol and a catalytic amount of thionyl chloride were added, was heated under reflux for 5 hours. The same work-up procedure as shown above was then employed to give 4.5 g of the objective product (yield; 21%). mp 88.0-89.0° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US05962723 |
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| Source dataset | uspto-grants-1999_10 |
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| ORD ID | ord-f462a60d30c84ea6a437ed998f9870c1 |
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| Source note | uspto-grants-1999_10 |
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