Potassium Carbonate → 2-[3,5-bis(trifluoromethyl)phenyl]-N-[4-(4-fluoro-2-methylphenyl)-6-(9-oxooctahydro-2H-pyrazino[1,2-a]pyrazin-2-yl)-3-pyridinyl]-N,2-dimethylpropanamide

HRID 2074929Notes

Reaction equation

HRID 2074929 reaction equation
[F:1][C:2]([F:36])([F:35])[C:3]1[CH:4]=[C:5]([C:13]([CH3:34])([CH3:33])[C:14]([N:16]([C:18]2[CH:19]=[N:20][C:21](Cl)=[CH:22][C:23]=2[C:24]2[CH:29]=[CH:28][C:27]([F:30])=[CH:26][C:25]=2[CH3:31])[CH3:17])=[O:15])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1.[C:37]1(=[O:47])[NH:42][CH2:41][CH2:40][N:39]2[CH2:43][CH2:44][NH:45][CH2:46][CH:38]12.C(=O)([O-])[O-].[K+].[K+]>CS(C)=O.ClCCl>[F:1][C:2]([F:36])([F:35])[C:3]1[CH:4]=[C:5]([C:13]([CH3:34])([CH3:33])[C:14]([N:16]([C:18]2[CH:19]=[N:20][C:21]([N:45]3[CH2:44][CH2:43][N:39]4[CH2:40][CH2:41][NH:42][C:37](=[O:47])[CH:38]4[CH2:46]3)=[CH:22][C:23]=2[C:24]2[CH:29]=[CH:28][C:27]([F:30])=[CH:26][C:25]=2[CH3:31])[CH3:17])=[O:15])[CH:6]=[C:7]([C:9]([F:12])([F:11])[F:10])[CH:8]=1

Participants

6

Reactant 3

HCID 11430Potassium CarbonateHCID 235027842-(3,5-Bis(trifluoromethyl)phenyl)-N-(6-chloro-4-(4-fluoro-2-methylphenyl)pyrid-3-yl)-N,2-dimethylpropanamideHCID 45122044hexahydro-2H-pyrazino[1,2-a]pyrazin-1(6H)-one

Product 1

HCID 592158692-[3,5-bis(trifluoromethyl)phenyl]-N-[4-(4-fluoro-2-methylphenyl)-6-(9-oxooctahydro-2H-pyrazino[1,2-a]pyrazin-2-yl)-3-pyridinyl]-N,2-dimethylpropanamideYield 61.7%

Reagents, catalysts & solvents 2

HCID 679Dimethyl SulfoxideSolventHCID 6344DichloromethaneSolvent

Procedure

To a solution of 2-[3,5-bis(trifluoromethyl)phenyl]-N-[6-chloro-4-(4-fluoro-2-methylphenyl)-3-pyridinyl]-N,2-dimethylpropanamide [WO 2005/002577] (50 mg, 0.092 mmol) in 0.5 mL of DMSO was added hexahydro-2H-pyrazino[1,2-a]pyrazin-1(6H)-one (D78, 33 mg, 0.213 mmol) and potassium carbonate (39 mg, 0.28 mmol) and the reaction was left at 150° C. for 24 h. It was worked up by diluting with dichloromethane and extracting with brine. The organics were dried (Na2SO4), and the solvent removed. The product was purified by flash chromatography: silica, cyclohexane:EtOAc 50:50 to EtOAc. Obtained 37 mg of the title compound.

Workup

  1. extractionextracting with brine
  2. dry with materialThe organics were dried (Na2SO4)
  3. customthe solvent removed
  4. customThe product was purified by flash chromatography

Sources & evidence

ORD record
ord-e8ccdb2b127348bcb26f0deef60f2403
Source dataset
uspto-grants-2011_04
Patent number
US07919491B2

Reaction notes

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