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

HRID 989222

반응식

HRID 989222 반응식
[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]

참가 물질

5

반응물 3

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

생성물 1

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

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

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.

후처리

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

출처 및 근거

ORD 기록
ord-16f05522a83a443f857fbd2ced9704b8
출처 데이터셋
uspto-grants-2003_10
특허 번호
US06638956B2

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