Hydrazine hydrate (1:1) → HCID 178478180, Verbindung
Reaktionsgleichung
O.[NH2:2]N.[Cl:4][C:5]1[CH:6]=[C:7]([C:12](=O)[CH:13]=[CH:14][N:15](C)C)[CH:8]=[C:9]([Cl:11])[CH:10]=1>C(O)C>[Cl:4][C:5]1[CH:6]=[C:7]([C:12]2[CH:13]=[CH:14][NH:15][N:2]=2)[CH:8]=[C:9]([Cl:11])[CH:10]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2.4 g (0.05 mol) of hydrazine hydrate are added slowly and at room temperature to a solution of 9 g (0.0369 mol) of 1-(3,5-dichlorophenyl)-3-dimethylamino-2-propen-1-one in 100 ml of ethanol. The reaction mixture is stirred for 2 hours at room temperature and then concentrated to dryness. The residue of triturated in heptane. 7.1 g (90% yield, melting point 156° C.) of 3-(3,5-dichlorophenyl)-1H-pyrazole are obtained.
Aufarbeitung
- concentrationconcentrated to dryness
- customThe residue of triturated in heptane
Quellen und Nachweise
- ORD-Eintrag
- ord-d39b14f604524120bdb00888a635b751
- Quelldatensatz
- uspto-grants-1999_08
- Patentnummer
- US05945382
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