HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperazine → 1-(5-Nitropyridin-2-yl)piperazine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperazine | HCID 4837 | — |
| Reactant | 2-Bromo-5-nitropyridine | HCID 78240 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 1-(5-Nitropyridin-2-yl)piperazine | HCID 2928799 | — |
Reaction Steps
2-Bromo-5-nitropyridine (0.3 g, 1.48 mmol) was treated with piperazine (0.64 g, 7.89 mmol) in tetrahydrofuran (4 ml) and the reaction mixture was stirred for 30 minutes. Subsequently the reaction mixture was poured onto ice-cold water (25 ml) and extracted with ethyl acetate (25 ml). The organic layer was washed with brine and evaporated to furnish the product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07863446B2 |
| Source dataset | uspto-grants-2011_01 |
| ORD ID | ord-46396960c5da454bbbfbc49490f48c2d |
| Source note | uspto-grants-2011_01 |