HuagongsheHuagongshe Chemistry Print Report · For research reference only
Water → 3-(2-Naphthyloxy)-4-nitropyridine-N-oxide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Water | HCID 962 | — |
| Reactant | 2-Naphthol | HCID 8663 | — |
| Reactant | Sodium Carbonate | HCID 10340 | — |
| Reactant | 3-Fluoro-4-nitropyridin-1-ium-1-olate | HCID 594028 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 3-(2-Naphthyloxy)-4-nitropyridine-N-oxide | HCID 15068888 | — |
Reaction Steps
To a solution of 2-naphthol (7 g) in 50 ml dimethylformamide was added sodium carbonate (10 g), followed by 3-fluoro-4-nitropyridine-N-oxide. After stirring three hours at ambient temperature the reaction mixture was stirred with water and extracted with ethyl acetate. The organic extract was washed with water and saturated sodium chloride solution, dried (anhy. MgSO4), filtered and concentrated to a solid. This solid was triturated with ether, collected and dried to give a solid, 11.6 g, m.p. 130°-133° C. A three gram portion was recrystallized from ethanol to give crystals, 2.8 g, m.p. 131°-133° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04931457 |
| Source dataset | uspto-grants-1990_06 |
| ORD ID | ord-a2ee704035e249919975bf8879ae2e52 |
| Source note | uspto-grants-1990_06 |