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Water → [5-Amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-methylsulfonyl-1H-pyrazol-4-yl]-(2,5-dimethylphenyl)methanone

HRID 1279289
Notes
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Reaction equation

HRID 1279289 reaction equation
[NH2:1][C:2]1[N:6]([C:7]2[C:12]([Cl:13])=[CH:11][C:10]([C:14]([F:17])([F:16])[F:15])=[CH:9][C:8]=2[Cl:18])[N:5]=[C:4]([S:19][CH3:20])[C:3]=1[C:21]([C:23]1[CH:28]=[C:27]([CH3:29])[CH:26]=[CH:25][C:24]=1[CH3:30])=[O:22].C(=O)(O)[O-:32].[Na+].ClC1C=C(C=CC=1)C(OO)=O.[OH2:47]>C1COCC1>[NH2:1][C:2]1[N:6]([C:7]2[C:12]([Cl:13])=[CH:11][C:10]([C:14]([F:17])([F:15])[F:16])=[CH:9][C:8]=2[Cl:18])[N:5]=[C:4]([S:19]([CH3:20])(=[O:32])=[O:47])[C:3]=1[C:21]([C:23]1[CH:28]=[C:27]([CH3:29])[CH:26]=[CH:25][C:24]=1[CH3:30])=[O:22]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 70297m-Chloroperbenzoic acid2×HCID 516892Sodium Bicarbonate2×HCID 10183914[5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-methylsulfanyl-1H-pyrazol-4-yl]-(2,5-dimethylphenyl)methanone

Product 1

HCID 9935972[5-Amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-methylsulfonyl-1H-pyrazol-4-yl]-(2,5-dimethylphenyl)methanone
Yield 70%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent2×

Conditions

Temperature
50 °C

Procedure

To a solution of 200 mg (0.42 mmol) of [5-amino-1-(2,6-dichloro-4-trifluoromethylphenyl)-3-methylsulfanyl-1H-pyrazol-4-yl]-(2,5-dimethylphenyl)methanone in 10 mL of THF: was added 0.176 g (2.10 mmol) of anhydrous sodium bicarbonate followed by a solution of 145 mg (0.42 mmol) of 3-chloroperoxybenzoic acid in 8 mL of THF. After two hours at room temperature, 0.5 g of sodium bicarbonate and an additional 290 mg (0.84 mmol) of 3-chloroperoxybenzoic acid was added. The reaction mixture was heated briefly to 50° C., let cool and stirred overnight at room temperature. The reaction mixture was added to water and the product was extracted into ethyl acetate. The organic extracts were washed with dilute sodium bicarbonate solution and then dried and evaporated. The title compound was crystallized from ether to give 150 mg (70% yield) of colorless crystals, m.p. 193.5-194.5° C.

Workup

  1. temperaturelet cool
  2. extractionthe product was extracted into ethyl acetate
  3. washThe organic extracts were washed with dilute sodium bicarbonate solution
  4. customdried
  5. customevaporated
  6. customThe title compound was crystallized from ether

Sources & evidence

ORD record
ord-ca2a8870f1ec4fdc83683f32b49bbd01
Source dataset
uspto-grants-2002_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06448265B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes