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N,N'-Dimethylethylenediamine → 3-Benzyloxymethyl-1-{4-[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazine-1-carbonyl]-3-fluorophenyl}-5-methylimidazolidine-2,4-dione

HRID 2411886
Notes
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Reaction equation

HRID 2411886 reaction equation
CNCCNC.Br[C:8]1[CH:13]=[CH:12][C:11]([C:14]([N:16]2[CH2:21][CH2:20][N:19]([C:22]3[C:27]([CH3:28])=[CH:26][C:25]([CH:29]4[CH2:31][CH2:30]4)=[CH:24][N:23]=3)[CH2:18][CH2:17]2)=[O:15])=[C:10]([F:32])[CH:9]=1.[CH2:33]([O:40][CH2:41][N:42]1[C:46](=[O:47])[CH:45]([CH3:48])[NH:44][C:43]1=[O:49])[C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>[Cu]I.O.O1CCOCC1>[CH2:33]([O:40][CH2:41][N:42]1[C:46](=[O:47])[CH:45]([CH3:48])[N:44]([C:8]2[CH:13]=[CH:12][C:11]([C:14]([N:16]3[CH2:21][CH2:20][N:19]([C:22]4[C:27]([CH3:28])=[CH:26][C:25]([CH:29]5[CH2:31][CH2:30]5)=[CH:24][N:23]=4)[CH2:18][CH2:17]3)=[O:15])=[C:10]([F:32])[CH:9]=2)[C:43]1=[O:49])[C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 8070N,N'-DimethylethylenediamineHCID 10796Cesium carbonateHCID 58484842(4-Bromo-2-fluorophenyl)[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl]methanoneHCID 712522743-Benzyloxymethyl-5-methylimidazolidine-2,4-dione

Product 1

HCID 712520443-Benzyloxymethyl-1-{4-[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazine-1-carbonyl]-3-fluorophenyl}-5-methylimidazolidine-2,4-dione

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 962WaterSolventHCID 312751,4-DioxaneSolvent

Procedure

1,4-Dioxane (12 mL) and N,N′-dimethylethylenediamine (86 μL) were added to a mixture of (4-bromo-2-fluorophenyl)[4-(5-cyclopropyl-3-methylpyridin-2-yl)piperazin-1-yl]methanone (325 mg) described in Preparation Example 121, 3-benzyloxymethyl-5-methylimidazolidine-2,4-dione (225 mg) described in Preparation Example 206, cesium carbonate (521 mg) and copper(I) iodide (76 mg), and the mixture was stirred with heating under reflux for 10 hr. The reaction mixture was cooled, water was added, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over sodium sulfate, and the solvent was evaporated. The obtained residue was purified by column chromatography (hexane:ethyl acetate) to give the title is compound (270 mg).

Workup

  1. temperaturewith heating
  2. temperatureunder reflux for 10 hr
  3. temperatureThe reaction mixture was cooled
  4. extractionthe mixture was extracted with ethyl acetate
  5. washThe organic layer was washed with saturated brine
  6. dry with materialdried over sodium sulfate
  7. customthe solvent was evaporated
  8. customThe obtained residue was purified by column chromatography (hexane:ethyl acetate)
  9. customto give the title

Sources & evidence

ORD record
ord-9353aa67e8b34970b2867ee077a1ed32
Source dataset
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08816079B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes