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Trifluoroacetic acid → 3-[6'-Methyl-4'-(4-trifluoromethyl-phenyl)-[2,2']bipyridinyl-6-yl]-benzenesulfonamide

HRID 1928295
Notes
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Reaction equation

HRID 1928295 reaction equation
C([NH:5][S:6]([C:9]1[CH:14]=[CH:13][CH:12]=[C:11]([C:15]2[N:20]=[C:19]([C:21]3[CH:26]=[C:25]([C:27]4[CH:32]=[CH:31][C:30]([C:33]([F:36])([F:35])[F:34])=[CH:29][CH:28]=4)[CH:24]=[C:23]([CH3:37])[N:22]=3)[CH:18]=[CH:17][CH:16]=2)[CH:10]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>ClCCl>[CH3:37][C:23]1[N:22]=[C:21]([C:19]2[CH:18]=[CH:17][CH:16]=[C:15]([C:11]3[CH:10]=[C:9]([S:6]([NH2:5])(=[O:7])=[O:8])[CH:14]=[CH:13][CH:12]=3)[N:20]=2)[CH:26]=[C:25]([C:27]2[CH:32]=[CH:31][C:30]([C:33]([F:36])([F:34])[F:35])=[CH:29][CH:28]=2)[CH:24]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 24760735N-tert-butyl-3-[6'-methyl-4'-(4-trifluoromethylphenyl)-[2,2']bipyridinyl-6-yl]-benzenesulfonamide

Product 1

HCID 247607383-[6'-Methyl-4'-(4-trifluoromethyl-phenyl)-[2,2']bipyridinyl-6-yl]-benzenesulfonamideYield 55%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a cooled and stirred solution of N-tert-butyl-3-[6′-methyl-4′-(4-trifluoromethyl-phenyl)-[2,2′]bipyridinyl-6-yl]-benzenesulfonamide (example 261) (0.570 g, 1.085 mmol) in dichloromethane (10 mL) was added TFA (10 mL) and the reaction mixture was allowed to stir at room temperature for 15 h. The mixture was evaporated to dryness and saturated NaHCO3 solution (5 mL), diethyl ether and heptane were added. The mixture was stirred at room temperature for 1 h, the precipitate was collected by filtration, washed with water and heptane/diethyl ether and dried to yield the title compound as a white solid (0.28 g, 55%). MS (ISP) 468.2 [(M+H)+]; mp 250° C.

Workup

  1. temperatureTo a cooled
  2. customThe mixture was evaporated to dryness and saturated NaHCO3 solution (5 mL), diethyl ether and heptane
  3. additionwere added
  4. stirringThe mixture was stirred at room temperature for 1 h
  5. filtrationthe precipitate was collected by filtration
  6. washwashed with water and heptane/diethyl ether
  7. customdried

Sources & evidence

ORD record
ord-b8094a34a81e4d0a95305081dda506db
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