Sulfuryl chloride → 3-Methoxycarbonyl-4-chloro-5-difluoromethoxy-1-methylpyrazole
Reaktionsgleichung
[CH3:1][O:2][C:3]([C:5]1[CH:9]=[C:8]([O:10][CH:11]([F:13])[F:12])[N:7]([CH3:14])[N:6]=1)=[O:4].S(Cl)([Cl:18])(=O)=O>C(Cl)Cl>[CH3:1][O:2][C:3]([C:5]1[C:9]([Cl:18])=[C:8]([O:10][CH:11]([F:13])[F:12])[N:7]([CH3:14])[N:6]=1)=[O:4]Komponenten
4
Edukt 2
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
2.1 g (10 mmole) 3-Methoxycarbonyl-5-difluoromethoxy-1-methylpyrazole, dissolved in 30 ml methylene chloride, was treated with 1.35 g (10 mmole) sulfuryl chloride and stirred for 10 minutes at room temperature. It was then concentrated and recrystallised from diisopropyl ether/ethyl acetate.
Aufarbeitung
- concentrationIt was then concentrated
- customrecrystallised from diisopropyl ether/ethyl acetate
Quellen und Nachweise
- ORD-Eintrag
- ord-7c38228fbf9e450095e3de6a046e61e1
- Quelldatensatz
- uspto-grants-1997_09
- Patentnummer
- US05668278
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