Dimethylformamide → tert-Butyl [methyl(6-cyano-2-pyrazinyl)amino]acetate

HRID 748376Notes

Reaction equation

HRID 748376 reaction equation
Cl[C:2]1[CH:7]=[N:6][CH:5]=[C:4]([C:8]#[N:9])[N:3]=1.Cl.[C:11]([O:15][C:16](=[O:20])[CH2:17][NH:18][CH3:19])([CH3:14])([CH3:13])[CH3:12].C(N(CC)CC)C.CN(C=O)C>O.C(OCC)(=O)C>[CH3:19][N:18]([CH2:17][C:16]([O:15][C:11]([CH3:14])([CH3:13])[CH3:12])=[O:20])[C:2]1[CH:7]=[N:6][CH:5]=[C:4]([C:8]#[N:9])[N:3]=1

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 8471TriethylamineHCID 813036-Chloropyrazine-2-carbonitrileHCID 11252350Sarcosine t-butyl ester hydrochloride

Product 1

HCID 70859746tert-Butyl [methyl(6-cyano-2-pyrazinyl)amino]acetateYield 27%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8857Ethyl AcetateSolvent

Procedure

2-Chloro-6-cyanopyrazine (2.09 g, 15.0 mmol), sarcosine tert-butyl ester hydrochloride salt (2.72 g, 15.0 mmol) and triethylamine (2.38 ml, 17.0 mmol) were added to DMF (30 ml), and the mixture was stirred at room temperature for 18 hrs. The reaction mixture was combined with ethyl acetate and water. The organic layer was washed with saturated brine and dried over anhydrous magnesium sulfate. The solvent was evaporated to give the titled compound (1.00 g, 27%) as pale yellow crystals.

Workup

  1. washThe organic layer was washed with saturated brine
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated

Sources & evidence

ORD record
ord-de8beff68a244a05b84a62721fa38a10
Source dataset
uspto-grants-2008_07
Patent number
US07399759B2

Reaction notes

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