HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
N-bromobutanimide → 3-Chloro-6-(3,5-dimethyl-4-bromo-1-pyrazolyl)-pyridazine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | N-bromobutanimide | HCID 67184 | — |
| Edukt | 3-Chloro-6-(3,5-dimethylpyrazol-1-yl)pyridazine | HCID 321073 | — |
| Lösungsmittel | Carbon Tetrachloride | HCID 5943 | — |
| Produkt | 3-Chloro-6-(3,5-dimethyl-4-bromo-1-pyrazolyl)-pyridazine | HCID 12562844 | — |
Reaktionsschritte
A mixture of 2.09 g (0.01 moles) of 3-chloro-6-(3,5-dimethyl-1-pyrazolyl)-pyridazine, 21 ml of carbon tetrachloride and 1.96 g (0.011 moles) of N-bromosuccinimide is boiled under stirring for 3 hours. After cooling the precipitate is filtered, washed with carbon tetrachloride and recrystallized from ethanol. Yield: 1.44 g (50.5%); m.p.: 143°-145° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04224325 |
| Quelldatensatz | uspto-grants-1980_09 |
| ORD ID | ord-b46bc50829b44cafb7981c0fd1a27fe7 |
| Quellennotiz | uspto-grants-1980_09 |