Sodium hydride → HCID 86623996, compound

HRID 1426708Notes

Reaction equation

HRID 1426708 reaction equation
[H-].[Na+].[Cl:3][C:4]1[C:9]([C:10]2[NH:14][CH:13]=[C:12]([CH2:15][N:16]([CH3:24])[C:17](=[O:23])[O:18][C:19]([CH3:22])([CH3:21])[CH3:20])[C:11]=2[F:25])=[CH:8][CH:7]=[CH:6][N:5]=1.C1OCCOCCOCCOCCOC1.[C:41]([C:43]1[CH:44]=[C:45]([S:49](Cl)(=[O:51])=[O:50])[CH:46]=[CH:47][CH:48]=1)#[N:42]>O1CCCC1.O>[Cl:3][C:4]1[C:9]([C:10]2[N:14]([S:49]([C:45]3[CH:46]=[CH:47][CH:48]=[C:43]([C:41]#[N:42])[CH:44]=3)(=[O:51])=[O:50])[CH:13]=[C:12]([CH2:15][N:16]([CH3:24])[C:17](=[O:23])[O:18][C:19]([CH3:21])([CH3:22])[CH3:20])[C:11]=2[F:25])=[CH:8][CH:7]=[CH:6][N:5]=1

Participants

7

Reactant 4

HCID 24758Sodium hydrideHCID 3633615-Crown-5HCID 28013603-Cyanobenzene-1-sulfonyl chlorideHCID 86623992HCID 86623992, compound

Product 1

HCID 86623996HCID 86623996, compoundYield 97%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8028TetrahydrofuranSolvent2×

Procedure

To a suspension of sodium hydride (60% in oil, 60 mg) in tetrahydrofuran (5 mL) were added dropwise a solution (5 mL) of tert-butyl {[5-(2-chloropyridin-3-yl)-4-fluoro-1H-pyrrol-3-yl]methyl}methylcarbamate (340 mg) in tetrahydrofuran, 15-crown-5 (330 mg) and 3-cyanobenzenesulfonyl chloride (302 mg) under ice-cooling and the mixture was stirred for 3 hr. The reaction mixture was diluted with water, and extracted with ethyl acetate. The separated aqueous layer was extracted again with ethyl acetate. The combined organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, and concentrated under reduced pressure. The residue was purified by basic silica gel column chromatography (eluent: hexane-ethyl acetate=6:1→3:1) to give the title compound as a pale-yellow oil (yield 490 mg, 97%).

Workup

  1. temperaturecooling
  2. extractionextracted with ethyl acetate
  3. extractionThe separated aqueous layer was extracted again with ethyl acetate
  4. washThe combined organic layer was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by basic silica gel column chromatography (eluent: hexane-ethyl acetate=6:1→3:1)

Sources & evidence

ORD record
ord-663042b9a4a64b5faf40f66d2662f3b4
Source dataset
uspto-grants-2015_01
Patent number
US08933105B2

Reaction notes

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