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2,5-Difluorobenzenesulfonyl chloride → N-{3-[4-(2-aminopyrimidin-4-yl)-1-(4-methoxybenzyl)-1H-pyrazol-3-yl]phenyl}-2,5-difluorobenzenesulfonamide

HRID 1843666
Notes
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Reaction equation

HRID 1843666 reaction equation
[NH2:1][C:2]1[CH:3]=[C:4]([C:8]2[C:12]([C:13]3[CH:18]=[CH:17][N:16]=[C:15]([NH2:19])[N:14]=3)=[CH:11][N:10]([CH2:20][C:21]3[CH:26]=[CH:25][C:24]([O:27][CH3:28])=[CH:23][CH:22]=3)[N:9]=2)[CH:5]=[CH:6][CH:7]=1.[F:29][C:30]1[CH:35]=[CH:34][C:33]([F:36])=[CH:32][C:31]=1[S:37](Cl)(=[O:39])=[O:38].[Na]>N1C=CC=CC=1>[NH2:19][C:15]1[N:14]=[C:13]([C:12]2[C:8]([C:4]3[CH:3]=[C:2]([NH:1][S:37]([C:31]4[CH:32]=[C:33]([F:36])[CH:34]=[CH:35][C:30]=4[F:29])(=[O:39])=[O:38])[CH:7]=[CH:6][CH:5]=3)=[N:9][N:10]([CH2:20][C:21]3[CH:22]=[CH:23][C:24]([O:27][CH3:28])=[CH:25][CH:26]=3)[CH:11]=2)[CH:18]=[CH:17][N:16]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 27369112,5-Difluorobenzenesulfonyl chlorideHCID 5360545SodiumHCID 671841854-[3-(3-aminophenyl)-1-(4-methoxybenzyl)-1H-pyrazol-4-yl]pyrimidin-2-amine

Product 1

HCID 67184347N-{3-[4-(2-aminopyrimidin-4-yl)-1-(4-methoxybenzyl)-1H-pyrazol-3-yl]phenyl}-2,5-difluorobenzenesulfonamideYield 31%

Reagents, catalysts & solvents 1

HCID 1049
Pyridine
Solvent

Procedure

175 mg (0.47 mmol) of 4-[3-(3-aminophenyl)-1-(4-methoxybenzyl)-1H-pyrazol-4-yl]-pyrimidin-2-amine were dissolved with 10 ml of dry pyridine and 63 μl of 2,5-difluorobenzensulfonylchloride were added under stirring. The solution was maintained at room temperature overnight. The reaction mixture was then poured into aqueous sodium hydrogenocarbonate and extracted with dichloromethane. The organic layer was dried over sodium sulphate and evaporated to dryness. The residue was purified by flash-chromatography on a silica gel column (CH2Cl2-CH3COCH3; from 9/1 to 8/2), giving 80 mg (31%) of the title compound.

Workup

  1. additionwere added
  2. extractionextracted with dichloromethane
  3. dry with materialThe organic layer was dried over sodium sulphate
  4. customevaporated to dryness
  5. customThe residue was purified by flash-chromatography on a silica gel column (CH2Cl2-CH3COCH3; from 9/1 to 8/2)

Sources & evidence

ORD record
ord-1dd4ff1adbb54e81956a336cdab3f061
Source dataset
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08946250B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes