Sulfuryl chloride → 3-Methoxycarbonyl-4-chloro-5-difluoromethoxy-1-methylpyrazole
Reaktionsgleichung
[F:1][CH:2]([F:14])[O:3][C:4]1[N:8]([CH3:9])[N:7]=[C:6]([C:10]([O:12][CH3:13])=[O:11])[CH:5]=1.S(Cl)([Cl:18])(=O)=O>C(Cl)Cl>[Cl:18][C:5]1[C:6]([C:10]([O:12][CH3:13])=[O:11])=[N:7][N:8]([CH3:9])[C:4]=1[O:3][CH:2]([F:1])[F:14]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2.1 g (10 mmol) 5-Difluoromethoxy-3-methoxycarbonyl-1-methylpyrazole, dissolved in 30 ml methylene chloride, was treated with 1.35 g (10 mmol) sulfuryl chloride and the mixture stirred at room temperature for 10 minutes. It was then concentrated and the residue recrystallised from diisopropyl ether/ethyl acetate.
Aufarbeitung
- concentrationIt was then concentrated
- customthe residue recrystallised from diisopropyl ether/ethyl acetate
Quellen und Nachweise
- ORD-Eintrag
- ord-0730b82069b94c9d8e03c745348d8f04
- Quelldatensatz
- uspto-grants-1999_02
- Patentnummer
- US05869686
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