HuagongsheHuagongshe Chemistry Print Report · For research reference only
Ethyl Bromide → 7-Ethoxy-2-methylquinoline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Ethyl Bromide | HCID 6332 | — |
| Reactant | Cesium carbonate | HCID 10796 | — |
| Reactant | 2-Methylquinolin-7-ol | HCID 135451969 | — |
| Solvent | N-methyl-2-pyrrolidone | HCID 13387 | — |
| Product | 7-Ethoxy-2-methylquinoline | HCID 86707538 | 88.5% |
Reaction Steps
To a stirred mixture of 2-methylquinolin-7-ol (400 mg, 2.51 mmol), Cs2CO3 (2.46 g, 7.54 mmol) and NMP (12 mL) was added bromoethane (0.563 mL, 7.54 mmol). The reaction mixture was stirred at ambient temperature overnight. The reaction was partitioned between ether and water. The aqueous layer was extracted with ether. The combined organic layers were washed with water and brine, dried and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel (2:1 to 5:1 hexanes:EtOAc) to give 7-ethoxy-2-methylquinoline (416 mg, 88%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08889704B2 |
| Source dataset | uspto-grants-2014_11 |
| ORD ID | ord-10c8578d969a46b094202a0b360964fb |
| Source note | uspto-grants-2014_11 |