Selectfluor → HCID 59292824, compound

HRID 2409777Notes

Reaction equation

HRID 2409777 reaction equation
[B-](F)(F)(F)F.[B-](F)(F)(F)F.C1[N+]2(CCl)CC[N+]([F:21])(CC2)C1.[CH2:22]([O:24][C:25]([C:27]1[CH:28]=[CH:29][C:30]([C:37]2[CH:42]=[C:41]([O:43][CH3:44])[CH:40]=[C:39]([O:45][CH3:46])[CH:38]=2)=[C:31]2[C:36]=1[N:35]=[CH:34][CH:33]=[CH:32]2)=[O:26])[CH3:23]>CC#N>[CH2:22]([O:24][C:25]([C:27]1[CH:28]=[CH:29][C:30]([C:37]2[CH:38]=[C:39]([O:45][CH3:46])[CH:40]=[C:41]([O:43][CH3:44])[C:42]=2[F:21])=[C:31]2[C:36]=1[N:35]=[CH:34][CH:33]=[CH:32]2)=[O:26])[CH3:23]

Participants

4

Reactant 2

HCID 2724933SelectfluorHCID 59292850HCID 59292850, compound

Product 1

HCID 59292824HCID 59292824, compoundYield 34.4%

Reagents, catalysts & solvents 1

HCID 6342AcetonitrileSolvent

Procedure

SelectFluor (2.04 g, 5.8 mmol, 2 equiv) was added to a cold (−5° C.) solution of 5-(3,5-dimethoxy-phenyl)-quinoline-8-carboxylic acid ethyl ester (Step 174.2) (970 mg, 2.9 mmol) in CH3CN (40 mL), under an argon atmosphere. The reaction mixture was allowed to warm to rt, stirred at that temperature for 6 h, quenched by addition of a saturated aqueous solution of NaHCO3, and concentrated. The residue was diluted in EtOAc and a saturated aqueous solution of NaHCO3. The aqueous phase was separated and extracted with EtOAc. The combined organic layers were washed with H2O and brine, dried (Na2SO4), filtered and concentrated. The residue was purified by silica gel column chromatography (Hex/EtOAc, 3:2) followed by trituration in Et2O to provide 355 mg of the title compound: ESI-MS: 356.2 [M+H]+; tR=3.80 min (System 1); TLC: Rf=0.18 (Hex/EtOAc, 3:2).

Workup

  1. customquenched by addition of a saturated aqueous solution of NaHCO3
  2. concentrationconcentrated
  3. additionThe residue was diluted in EtOAc
  4. customThe aqueous phase was separated
  5. extractionextracted with EtOAc
  6. washThe combined organic layers were washed with H2O and brine
  7. dry with materialdried (Na2SO4)
  8. filtrationfiltered
  9. concentrationconcentrated
  10. customThe residue was purified by silica gel column chromatography (Hex/EtOAc, 3:2)

Sources & evidence

ORD record
ord-d176c6192162442ea6da1f937ccd29c6
Source dataset
uspto-grants-2014_08
Patent number
US08815901B2

Reaction notes

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