Water → tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamate

HRID 338835Notes

Reaction equation

HRID 338835 reaction equation
FC(F)(F)S(O[CH:7]([C:12]1[CH:13]=[N:14][C:15]([Cl:18])=[CH:16][CH:17]=1)[C:8]([F:11])([F:10])[F:9])(=O)=O.C([O-])([O-])=O.[K+].[K+].[NH:27]1[CH2:31][CH2:30][C@H:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:38])([CH3:37])[CH3:36])[CH2:28]1.O>C1COCC1.C(OCC)(=O)C>[Cl:18][C:15]1[N:14]=[CH:13][C:12]([CH:7]([N:27]2[CH2:31][CH2:30][C@H:29]([NH:32][C:33](=[O:39])[O:34][C:35]([CH3:37])([CH3:36])[CH3:38])[CH2:28]2)[C:8]([F:11])([F:10])[F:9])=[CH:17][CH:16]=1

Participants

7

Reactant 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 1514396(3S)-(-)-3-(tert-Butoxycarbonylamino)pyrrolidineHCID 867074011-(6-Chloropyridin-3-yl)-2,2,2-trifluoroethyl trifluoromethanesulfonate

Product 1

HCID 86707402tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamateYield 74.1%

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Procedure

A solution of 1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl trifluoromethanesulfonate (0.55 g, 1.60 mmol), K2CO3 (0.33 g, 2.40 mmol), and (S)-tert-butyl pyrrolidin-3-ylcarbamate (0.42 g, 2.24 mmol) in THF (8 mL) was stirred at 50° C. for 20 hours. Water (20 mL) and ethyl acetate (30 mL) were added. The organic layer was separated, washed with brine, dried (sodium sulfate), filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel (3:1 hexane/ethyl acetate) to give tert-butyl (3S)-1-(1-(6-chloropyridin-3-yl)-2,2,2-trifluoroethyl)pyrrolidin-3-ylcarbamate (0.45 g, 74.0%) as a white solid.

Workup

  1. customThe organic layer was separated
  2. washwashed with brine
  3. dry with materialdried (sodium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by flash chromatography on silica gel (3:1 hexane/ethyl acetate)

Sources & evidence

ORD record
ord-a6aeaf4068cb406cb295f998c7f5305d
Source dataset
uspto-grants-2014_11
Patent number
US08889704B2

Reaction notes

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