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Water → 5-chloro-N-((1-(4-iodophenyl)-1H-pyrazol-4-yl)methyl)thiophene-2-carboxamide

HRID 643030
Notes
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Reaction equation

HRID 643030 reaction equation
[Cl:1][C:2]1[S:6][C:5]([C:7]([OH:9])=O)=[CH:4][CH:3]=1.[I:10][C:11]1[CH:16]=[CH:15][C:14]([N:17]2[CH:21]=[C:20]([CH2:22][NH2:23])[CH:19]=[N:18]2)=[CH:13][CH:12]=1.F[P-](F)(F)(F)(F)F.N1(O[P+](N(C)C)(N(C)C)N(C)C)C2C=CC=CC=2N=N1.O>CN(C=O)C.CCOC(C)=O>[Cl:1][C:2]1[S:6][C:5]([C:7]([NH:23][CH2:22][C:20]2[CH:19]=[N:18][N:17]([C:14]3[CH:15]=[CH:16][C:11]([I:10])=[CH:12][CH:13]=3)[CH:21]=2)=[O:9])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 962WaterHCID 950485-Chloro-2-thiophenecarboxylic acidHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 68507921(1-(4-iodophenyl)-1H-pyrazol-4-yl)methanamine

Product 1

HCID 685109935-chloro-N-((1-(4-iodophenyl)-1H-pyrazol-4-yl)methyl)thiophene-2-carboxamideYield 78.9%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

To a solution of 5-chloro-thiophene-2-carboxylic acid (237 mg, 1.46 mmol), (1-(4-iodophenyl)-1H-pyrazol-4-yl)methanamine (396 mg, 1.32 mmol) and TEA (0.500 mL, 3.59 mmol) in DMF (10 mL), BOP (828 mg, 1.87 mmol) were added. The mixture was stirred at room temperature overnight. H2O and EtOAc were added. The organic phase was separated, washed with 5% NaHCO3, dried over Na2SO4, concentrated in vacuo to give 5-chloro-N-((1-(4-iodophenyl)-1H-pyrazol-4-yl)methyl)thiophene-2-carboxamide (462 mg).

Workup

  1. customThe organic phase was separated
  2. washwashed with 5% NaHCO3
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-c792ca8e381b4257be1b5bf48fd182ac
Source dataset
uspto-grants-2010_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07696352B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes