Trifluoroacetic acid → HCID 57469021, compound

HRID 1928302Notes

Reaction equation

HRID 1928302 reaction equation
C([NH:5][S:6]([C:9]1[S:10][C:11]([C:14]2[CH:19]=[CH:18][CH:17]=[C:16]([C:20]3[CH:25]=[C:24]([CH3:26])[CH:23]=[C:22]([C:27]4[CH:32]=[CH:31][C:30]([C:33]([F:36])([F:35])[F:34])=[CH:29][CH:28]=4)[N:21]=3)[CH:15]=2)=[CH:12][CH:13]=1)(=[O:8])=[O:7])(C)(C)C.C(O)(C(F)(F)F)=O>>[CH3:26][C:24]1[CH:23]=[C:22]([C:27]2[CH:32]=[CH:31][C:30]([C:33]([F:36])([F:34])[F:35])=[CH:29][CH:28]=2)[N:21]=[C:20]([C:16]2[CH:15]=[C:14]([C:11]3[S:10][C:9]([S:6]([NH2:5])(=[O:8])=[O:7])=[CH:13][CH:12]=3)[CH:19]=[CH:18][CH:17]=2)[CH:25]=1

Participants

3

Reactant 2

HCID 6422Trifluoroacetic acidHCID 60209465HCID 60209465, compound

Product 1

HCID 57469021HCID 57469021, compoundYield 34.3%

Procedure

To 5-{3-[4-methyl-6-(4-trifluoromethyl-phenyl)-pyridin-2-yl]-phenyl}-thiophene-2-sulfonic acid tert-butylamide (example 272) (0.30 g, 0.565 mmol) 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 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 (0.092 g, 34%). MS (ISP) 475.1 [(M+H)+]; mp 211° C.

Workup

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

Sources & evidence

ORD record
ord-dc175208b1534dbdbe9615c6b94fb6d2
Source dataset
uspto-grants-2012_05
Patent number
US08183262B2

Reaction notes

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