HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Methanol → 2-Chloro-3-methoxypyrazine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Methanol | HCID 887 | — |
| Edukt | 2,3-Dichloropyrazine | HCID 78575 | — |
| Edukt | Sodium | HCID 5360545 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | 2-Chloro-3-methoxypyrazine | HCID 11804891 | — |
Reaktionsschritte
A mixture of 0.1 mole of 2,3-dichloropyrazine and 2.3 g. (0.1 mole) of sodium in 160 ml. of anhydrous methanol is refluxed 5-10 hours, and poured into water. The product is extracted with ether or chloroform and recrystallized from a suitable solvent such as ethanol to give pure 2-chloro-3-methoxypyrazine.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04343802 |
| Quelldatensatz | uspto-grants-1982_08 |
| ORD ID | ord-5d9f55db9a254bf2810c8ee901af2276 |
| Quellennotiz | uspto-grants-1982_08 |