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Dimethylformamide → 4-({[2-(1-{4-hydroxy-1-methyl-5-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl}ethylidene)hydrazino]carbonothioyl}amino)benzoic acid

HRID 1881585
Notes
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Reaction equation

HRID 1881585 reaction equation
[OH:1][C:2]1[C:3]([C:18](=O)[CH3:19])=[N:4][N:5]([CH3:17])[C:6]=1[C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([C:13]([F:16])([F:15])[F:14])[CH:8]=1.[NH:21]([C:23]([NH:25][C:26]1[CH:34]=[CH:33][C:29]([C:30]([OH:32])=[O:31])=[CH:28][CH:27]=1)=[S:24])[NH2:22].CN(C)C=O>Cl.O>[OH:1][C:2]1[C:3]([C:18](=[N:22][NH:21][C:23]([NH:25][C:26]2[CH:34]=[CH:33][C:29]([C:30]([OH:32])=[O:31])=[CH:28][CH:27]=2)=[S:24])[CH3:19])=[N:4][N:5]([CH3:17])[C:6]=1[C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([C:13]([F:16])([F:15])[F:14])[CH:8]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6228DimethylformamideHCID 27573784-(4-Carboxyphenyl)-3-thiosemicarbazideHCID 67050195HCID 67050195, compound

Product 1

HCID 723599544-({[2-(1-{4-hydroxy-1-methyl-5-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl}ethylidene)hydrazino]carbonothioyl}amino)benzoic acidYield 68.3%

Reagents, catalysts & solvents 2

HCID 313
Hydrochloric Acid
Catalyst
HCID 962WaterSolvent

Procedure

1-[4-Hydroxy-1-methyl-5-(3-trifluoromethylphenyl)-1H-pyrazol-3-yl]ethanone (0.229 mmol, 65.0 mg) and 4-hydrazinocarbonothioylaminobenzoic acid (0.229 mmol, 48.3 mg) were stirred with dimethylformamide (2.5 mL) and three drops of concentrated hydrochloric acid at room temperature for 24 hours. After addition of water, the precipitated yellow solid was recovered by filtration, washed with water and dried by means of a vacuum pump. Chloroform/n-hexane was added to the resulting solid, and the precipitated solid was recovered by filtration and dried by means of a vacuum pump to give the desired product as a yellow solid (74.7 mg, yield 68%).

Workup

  1. filtrationthe precipitated yellow solid was recovered by filtration
  2. washwashed with water
  3. customdried by means of a vacuum pump
  4. additionChloroform/n-hexane was added to the resulting solid
  5. filtrationthe precipitated solid was recovered by filtration
  6. customdried by means of a vacuum pump

Sources & evidence

ORD record
ord-4b9359852fa140fdb7a0ec9cf448799f
Source dataset
uspto-grants-2012_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08318796B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes