Water → N-tert-butyl-2-(6-fluoro-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

HRID 246654Notes

Reaction equation

HRID 246654 reaction equation
[C:1]([NH:5][C:6]([C:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[C:25]4[C:20](=[CH:21][C:22]([F:26])=[CH:23][CH:24]=4)[NH:19][N:18]=3)[N:15]=2)[N:10]([CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:33])[CH3:32])[CH:9]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].C(=O)([O-])[O-].[K+].[K+].I[CH2:42][C:43]([F:46])([F:45])[F:44].O>CN(C=O)C>[C:1]([NH:5][C:6]([C:8]1[C:16]2[C:11](=[N:12][CH:13]=[C:14]([C:17]3[C:25]4[C:20](=[CH:21][C:22]([F:26])=[CH:23][CH:24]=4)[N:19]([CH2:42][C:43]([F:46])([F:45])[F:44])[N:18]=3)[N:15]=2)[N:10]([CH2:27][O:28][CH2:29][CH2:30][Si:31]([CH3:34])([CH3:33])[CH3:32])[CH:9]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

Participants

6

Reactant 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 677091,1,1-Trifluoro-2-iodoethaneHCID 71279957N-tert-butyl-2-(6-fluoro-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide

Product 1

HCID 71279952N-tert-butyl-2-(6-fluoro-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamideYield 88.6%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
80 °C

Procedure

To a mixture of N-tert-Butyl-2-(6-fluoro-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (60 mg, 0.12 mmol) and potassium carbonate (100 mg, 0.72 mmol) in 10 mL of DMF was added 2-iodo-1,1,1-trifluoroethane (0.5 mL, 5.07 mmol). The reaction mixture was heated to 80° C. for 3 hours. After cooling to room temperature, 50 mL of water were added, and the mixture was extracted with ethyl acetate (2×50 mL), combined organics dried with sodium sulphate, filtered and concentrated to give N-tert-butyl-2-(6-fluoro-1-(2,2,2-trifluoroethyl)-1H-indazol-3-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide (60 mg, crude). LCMS: (M+H)+=565; (M+Na)+=587. Crude material used in the next step without further purification.

Workup

  1. temperatureAfter cooling to room temperature
  2. extractionthe mixture was extracted with ethyl acetate (2×50 mL)
  3. dry with materialcombined organics dried with sodium sulphate
  4. filtrationfiltered
  5. concentrationconcentrated

Sources & evidence

ORD record
ord-4b54720cb22a4007b8aa6a4b4b602c11
Source dataset
uspto-grants-2014_02
Patent number
US08658646B2

Reaction notes

Loading…