Acetyl chloride → 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-1H-pyrazole-3-carboxaldehyde O-(acetyl)oxime

HRID 989222

Reaktionsgleichung

Reaktionsgleichung von HRID 989222
[C:1](Cl)(=[O:3])[CH3:2].[NH2:5][C:6]1[N:10]([C:11]2[C:16]([Cl:17])=[CH:15][C:14]([C:18]([F:21])([F:20])[F:19])=[CH:13][C:12]=2[Cl:22])[N:9]=[C:8]([CH:23]=[N:24][OH:25])[C:7]=1[S:26]([CH3:28])=[O:27].C(N(CC)CC)C>O1CCCC1>[C:1]([O:25][N:24]=[CH:23][C:8]1[C:7]([S:26]([CH3:28])=[O:27])=[C:6]([NH2:5])[N:10]([C:11]2[C:16]([Cl:17])=[CH:15][C:14]([C:18]([F:21])([F:20])[F:19])=[CH:13][C:12]=2[Cl:22])[N:9]=1)(=[O:3])[CH3:2]

Komponenten

5

Edukt 3

HCID 6367Acetyl chlorideHCID 8471TriethylamineHCID 1363524165-amino-1-[2,6-dichloro-4-(trifluoromethyl)-phenyl]-4-methylsulfinyl-1H-pyrazole-3-carboxaldehyde oxime

Produkt 1

HCID 854333885-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-1H-pyrazole-3-carboxaldehyde O-(acetyl)oxime

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

Acetyl chloride (0.27 ml) was added to a solution of 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-1H-pyrazole-3-carboxaldehyde oxime (1.0 g) and triethylamine (0.56 ml) in tetrahydrofuran at 0° C. and the mixture stirred for 1 hour. The solvent was evaporated and the residue chromatographed on silica gel eluting with 3:1 dichloromethane/ethyl acetate to give 5-amino-1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-4-methylsulfinyl-1H-pyrazole-3-carboxaldehyde O-(acetyl)oxime (0.83 g)as an orange solid m.p.130-134° C. Compound 10.

Aufarbeitung

  1. customThe solvent was evaporated
  2. customthe residue chromatographed on silica gel eluting with 3:1 dichloromethane/ethyl acetate

Quellen und Nachweise

ORD-Eintrag
ord-16f05522a83a443f857fbd2ced9704b8
Quelldatensatz
uspto-grants-2003_10
Patentnummer
US06638956B2

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