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Phenyl 3-fluoro-4-(3-hydroxyazetidin-1-yl)phenylcarbamate → 1-((1-(3,4-difluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)-3-(3-fluoro-4-(3-hydroxyazetidin-1-yl)phenyl)urea

HRID 1842998
Notes
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Reaction equation

HRID 1842998 reaction equation
Cl.[F:2][C:3]1[CH:4]=[C:5]([N:10]2[C:14]([CH2:15][NH2:16])=[CH:13][C:12]([C:17]([F:20])([F:19])[F:18])=[N:11]2)[CH:6]=[CH:7][C:8]=1[F:9].[F:21][C:22]1[CH:23]=[C:24]([NH:33][C:34](=O)[O:35]C2C=CC=CC=2)[CH:25]=[CH:26][C:27]=1[N:28]1[CH2:31][CH:30]([OH:32])[CH2:29]1>C(#N)C>[F:2][C:3]1[CH:4]=[C:5]([N:10]2[C:14]([CH2:15][NH:16][C:34]([NH:33][C:24]3[CH:25]=[CH:26][C:27]([N:28]4[CH2:29][CH:30]([OH:32])[CH2:31]4)=[C:22]([F:21])[CH:23]=3)=[O:35])=[CH:13][C:12]([C:17]([F:20])([F:18])[F:19])=[N:11]2)[CH:6]=[CH:7][C:8]=1[F:9]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 86672171Phenyl 3-fluoro-4-(3-hydroxyazetidin-1-yl)phenylcarbamateHCID 86672172(1-(3,4-difluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methanamine hydrochloride

Product 1

HCID 715661081-((1-(3,4-difluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)-3-(3-fluoro-4-(3-hydroxyazetidin-1-yl)phenyl)ureaYield 88%

Reagents, catalysts & solvents 1

HCID 6342Acetonitrile
Solvent

Procedure

To a stirred solution of ((1-(3,4-difluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methanamine hydrochloride (75 mg, 0.239 mmol, 1.0 eq) in acetonitrile (5.5 mL) was added TEA (0.13 mL, 0.96 mmol, 4.0 eq.) followed by phenyl 3-fluoro-4-(3-hydroxyazetidin-1-yl)phenylcarbamate (73 mg, 0.244 mmol, 1.02 eq) and stirred at reflux for 16 h. The solvent of the reaction mixture was evaporated and the residue was purified by column chromatography (EtOAc/cyclohexane (4:1) as eluent) to get 1-((1-(3,4-difluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)-3-(3-fluoro-4-(3-hydroxyazetidin-1-yl)phenyl)urea (102 mg, 88%).

Workup

  1. temperatureat reflux for 16 h
  2. customThe solvent of the reaction mixture was evaporated
  3. customthe residue was purified by column chromatography (EtOAc/cyclohexane (4:1) as eluent)

Sources & evidence

ORD record
ord-c895761d2492411eb2f9636ce6f0fa3a
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08946204B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes