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Trifluoroacetic acid → 2-{1-[4-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiazole-5-sulfonic acid amide

HRID 1928178
Notes
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Reaction equation

HRID 1928178 reaction equation
C([NH:5][S:6]([C:9]1[S:13][C:12]([C:14]2[N:15]=[CH:16][N:17]([C:19]3[N:24]=[C:23]([C:25]([F:28])([F:27])[F:26])[CH:22]=[C:21]([C:29]4[CH:34]=[CH:33][C:32]([C:35]([F:38])([F:37])[F:36])=[CH:31][CH:30]=4)[N:20]=3)[CH:18]=2)=[N:11][CH:10]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[F:28][C:25]([F:26])([F:27])[C:23]1[CH:22]=[C:21]([C:29]2[CH:34]=[CH:33][C:32]([C:35]([F:38])([F:36])[F:37])=[CH:31][CH:30]=2)[N:20]=[C:19]([N:17]2[CH:18]=[C:14]([C:12]3[S:13][C:9]([S:6]([NH2:5])(=[O:8])=[O:7])=[CH:10][N:11]=3)[N:15]=[CH:16]2)[N:24]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 57468925N-tert-butyl-2-{1-[4-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiazole-5-sulfonamide

Product 1

HCID 574689242-{1-[4-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiazole-5-sulfonic acid amideYield 54.7%

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

To a cooled and stirred solution of N-tert-butyl-2-{1-[4-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-pyrimidin-2-yl]-1H-imidazol-4-yl}-thiazole-5-sulfonamide (0.075 g) in dichloromethane (3 mL) was added TFA (3 mL) and the reaction mixture was allowed to stir at room temperature for 15 h. The mixture was evaporated to dryness and purified by flash-chromatography on silica gel (ethyl acetate/hexane) and crystallization (THF/hexane) to yielded the title compound as a light brown solid (0.037 g, 18%). MS (ISN) 519.0 [(M−H)−]; mp 264° C.

Workup

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness
  3. custompurified by flash-chromatography on silica gel (ethyl acetate/hexane) and crystallization (THF/hexane)

Sources & evidence

ORD record
ord-e3691e6d04c14451a5987a22223650a0
Source dataset
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08183262B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes