HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methanol → 2-(1-Oxo-1lambda~5~-pyridin-2-yl)-1-phenylethan-1-one
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methanol | HCID 887 | — |
| Reactant | Methyl Benzoate | HCID 7150 | — |
| Reactant | 2-Methylpyridine 1-oxide | HCID 13602 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Solvent | Benzene | HCID 241 | — |
| Solvent | Water | HCID 962 | — |
| Product | 2-(1-Oxo-1lambda~5~-pyridin-2-yl)-1-phenylethan-1-one | HCID 349428 | 82.1% |
Reaction Steps
A solution of 2-picoline N-oxide (4.4 g, 0.04 mol) in benzene (25 ml) was added to a suspension of sodium hydride (3.2 g of 60% oil dispersion) and methyl benzoate (9.94 ml, 0.08 mol) in dry benzene (100 ml). The reaction mixture was refluxed overnight. Methanol (15 ml) was added to the cooled reaction mixture, followed by water (150 ml). The aqueous layer was separated and extracted with chloroform (2×40 ml). The aqueous layer was acidified with 1N HCl and extracted with chloroform. The combined organic layers were dried (MgSO4) and concentrated to give the subtitle ketone as a solid (7 g), mp 146°-148° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05607935 |
| Source dataset | uspto-grants-1997_03 |
| ORD ID | ord-e8170cedf9ef4776acc694d2363530c4 |
| Source note | uspto-grants-1997_03 |