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Trifluoroacetic acid → 3-{4-[4-Trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonamide

HRID 906274
Notes
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Reaction equation

HRID 906274 reaction equation
C([NH:5][S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([C:15]2[CH:20]=[C:19]([C:21]3[N:26]=[C:25]([C:27]([F:30])([F:29])[F:28])[CH:24]=[C:23]([C:31]4[CH:32]=[N:33][C:34]([C:37]([F:40])([F:39])[F:38])=[CH:35][CH:36]=4)[N:22]=3)[CH:18]=[CH:17][N:16]=2)[CH:10]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[F:30][C:27]([F:28])([F:29])[C:25]1[CH:24]=[C:23]([C:31]2[CH:32]=[N:33][C:34]([C:37]([F:40])([F:39])[F:38])=[CH:35][CH:36]=2)[N:22]=[C:21]([C:19]2[CH:18]=[CH:17][N:16]=[C:15]([C:11]3[CH:10]=[C:9]([S:6]([NH2:5])(=[O:8])=[O:7])[CH:14]=[CH:13][CH:12]=3)[CH:20]=2)[N:26]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 866246393-{4-[4-Trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide

Product 1

HCID 250974473-{4-[4-Trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonamideYield 79.5%

Reagents, catalysts & solvents 1

HCID 6344Dichloromethane
Solvent

Procedure

To a cooled and stirred solution of 3-{4-[4-trifluoromethyl-6-(6-trifluoromethyl-pyridin-3-yl)-pyrimidin-2-yl]-pyridin-2-yl}-benzenesulfonic acid tert-butylamide (0.71 g) in dichloromethane (12 ml) was added TFA (12 ml) and the reaction mixture was allowed to stir at room temperature for 15 h. The mixture was evaporated to dryness, poured into 2N Na2CO3 solution (25 ml) and extracted with ethyl acetate (3×50 ml). The combined organic layers were washed with brine (50 ml), dried (MgSO4) and evaporated. Further purification by crystallization (ethyl acetate/heptane) yielded the title compound as a white solid (0.51 g, 49%). MS (ISP) 526.2 [(M+H)+]; mp 258° C.

Workup

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness
  3. additionpoured into 2N Na2CO3 solution (25 ml)
  4. extractionextracted with ethyl acetate (3×50 ml)
  5. washThe combined organic layers were washed with brine (50 ml)
  6. dry with materialdried (MgSO4)
  7. customevaporated
  8. customFurther purification
  9. customby crystallization (ethyl acetate/heptane)

Sources & evidence

ORD record
ord-57b0a3ae0fb9442a934f7193b7d3c9e9
Source dataset
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08012986B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes