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Potassium Iodide → 5-Amino-1-(4-fluorophenyl)-4-[3-{3-(morpholin-4-yl)propylamino}benzoyl]pyrazole

HRID 1278881
Notes
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Reaction equation

HRID 1278881 reaction equation
[NH2:1][C:2]1[N:6]([C:7]2[CH:12]=[CH:11][C:10]([F:13])=[CH:9][CH:8]=2)[N:5]=[CH:4][C:3]=1[C:14](=[O:26])[C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([NH:21][CH2:22][CH2:23][CH2:24]Cl)[CH:16]=1.[NH:27]1[CH2:32][CH2:31][O:30][CH2:29][CH2:28]1.C(=O)([O-])[O-].[K+].[K+].[I-].[K+]>C(#N)C.[Cl-].[Na+].O>[NH2:1][C:2]1[N:6]([C:7]2[CH:12]=[CH:11][C:10]([F:13])=[CH:9][CH:8]=2)[N:5]=[CH:4][C:3]=1[C:14](=[O:26])[C:15]1[CH:20]=[CH:19][CH:18]=[C:17]([NH:21][CH2:22][CH2:23][CH2:24][N:27]2[CH2:32][CH2:31][O:30][CH2:29][CH2:28]2)[CH:16]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 4875Potassium IodideHCID 8083MorpholineHCID 11430Potassium CarbonateHCID 222628035-Amino-4-[3-(3-chloropropylamino)benzoyl]-1-(4-fluorophenyl)pyrazole

Product 1

HCID 98885415-Amino-1-(4-fluorophenyl)-4-[3-{3-(morpholin-4-yl)propylamino}benzoyl]pyrazole

Reagents, catalysts & solvents 2

HCID 6342
Acetonitrile
Solvent
HCID 57417360Sodium chloride; waterSolvent

Procedure

A mixture of 5-amino-4-[3-(3-chloropropylamino)benzoyl]-1-(4-fluorophenyl)-pyrazole (0.05 g, 0.13 mmol), morpholine (0.1 ml, 1.1 mmol), potassium carbonate (0.1 g) and potassium iodide (0.1 g) in acetonitrile (3 ml) was heated at reflux. After 2 days, the reaction mixture was poured into brine and the product was extracted into ethyl acetate. The organic layer was separated, washed with brine, dried over sodium sulfate and concentrated in vacuo. The residue was purified by flash chromatography (elution gradient: 3% MeOH/CH2Cl2) to give 5-amino-1-(4-fluorophenyl)-4-[3-{3-(morpholin-4-yl)propylamino}-benzoyl]pyrazole as a solid.

Workup

  1. temperaturewas heated
  2. temperatureat reflux
  3. extractionthe product was extracted into ethyl acetate
  4. customThe organic layer was separated
  5. washwashed with brine
  6. dry with materialdried over sodium sulfate
  7. concentrationconcentrated in vacuo
  8. customThe residue was purified by flash chromatography (elution gradient: 3% MeOH/CH2Cl2)

Sources & evidence

ORD record
ord-aff8f12ad855499585ae9ad325fd2bb4
Source dataset
uspto-grants-2002_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06444696B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes