Chlorosuccinimide → HCID 178478181, Verbindung
Reaktionsgleichung
[Cl:1][C:2]1[CH:3]=[C:4]([C:9]2[CH:13]=[CH:12][NH:11][N:10]=2)[CH:5]=[C:6]([Cl:8])[CH:7]=1.[Cl:14]N1C(=O)CCC1=O>ClCCl>[Cl:14][C:13]1[C:9]([C:4]2[CH:3]=[C:2]([Cl:1])[CH:7]=[C:6]([Cl:8])[CH:5]=2)=[N:10][NH:11][CH:12]=1Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2.3 g (0.0152 mol) of 3-(3,5-dichlorophenyl)-1H-pyrazole are dissolved, at room temperature and with stirring, in 300 ml of dichloromethane. 2.07 g (0.016 mol) of N-chlorosuccinimide are then added and then stirring is continued for 4 days at room temperature. The reaction mixture is then concentrated and then chromatographed on a silica column (eluent 70/30 heptane/ethyl acetate). 1.4 g (yield: 57%, melting point: 192° C.) of 4-chloro-3-(3,5-dichlorophenyl)-1H-pyrazole are obtained.
Aufarbeitung
- concentrationThe reaction mixture is then concentrated
- customchromatographed on a silica column (eluent 70/30 heptane/ethyl acetate)
Quellen und Nachweise
- ORD-Eintrag
- ord-c8912dd98ad248bdb39683ec5b81007c
- Quelldatensatz
- uspto-grants-1999_08
- Patentnummer
- US05945382
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