HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
2-Chloro-4-((6-nitropyridin-3-yl)oxy)pyridine → 5-(2-Chloropyridin-4-yloxy)pyridin-2-amine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 2-Chloro-4-((6-nitropyridin-3-yl)oxy)pyridine | HCID 59322779 | — |
| Katalysator | Nickel | HCID 935 | — |
| Lösungsmittel | Methanol | HCID 887 | — |
| Produkt | 5-(2-Chloropyridin-4-yloxy)pyridin-2-amine | HCID 59322788 | 105,8% |
Reaktionsschritte
A solution of 2-chloro-4-((6-nitropyridin-3-yl)oxy)pyridine (20.0 g, 79 mmol) in MeOH (40 mL) was hydrogenated in presence of Raney Nickel (2.00 g, 34.1 mmol) at 40 psi for 3 h. The catalyst was removed via filtration, rinsed with MeOH and the filtrate concentrated to dryness to afford 5-((2-chloropyridin-4-yl)oxy)pyridin-2-amine (18.52 g, 105%) as a brown solid. MS (ESI) m/z: 222.0 (M+H+).
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US09181223B2 |
| Quelldatensatz | uspto-grants-2015_11 |
| ORD ID | ord-ddd739c9f1204cf885f3409b2c36c287 |
| Quellennotiz | uspto-grants-2015_11 |