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Ethyl Acetate → 3-{[2-(azetidin-1-ylcarbonyl)pyrimidin-5-yl]oxy}-5-[(1-methylethyl)oxy]-N-(1-methyl-1H-pyrazol-3-yl)benzamide

HRID 1989929
Notes
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Reaction equation

HRID 1989929 reaction equation
[OH:1][C:2]1[CH:3]=[C:4]([CH:14]=[C:15]([O:17][CH:18]([CH3:20])[CH3:19])[CH:16]=1)[C:5]([NH:7][C:8]1[CH:12]=[CH:11][N:10]([CH3:13])[N:9]=1)=[O:6].[N:21]1([C:25]([C:27]2[N:32]=[CH:31][C:30](Br)=[CH:29][N:28]=2)=[O:26])[CH2:24][CH2:23][CH2:22]1.C(=O)([O-])[O-].[Cs+].[Cs+].C(OCC)(=O)C>CC(N(C)C)=O.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu]Br.O>[N:21]1([C:25]([C:27]2[N:28]=[CH:29][C:30]([O:1][C:2]3[CH:3]=[C:4]([CH:14]=[C:15]([O:17][CH:18]([CH3:20])[CH3:19])[CH:16]=3)[C:5]([NH:7][C:8]3[CH:12]=[CH:11][N:10]([CH3:13])[N:9]=3)=[O:6])=[CH:31][N:32]=2)=[O:26])[CH2:24][CH2:23][CH2:22]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 8857Ethyl AcetateHCID 10796Cesium carbonateHCID 536296392-(Azetidin-1-ylcarbonyl)-5-bromopyrimidineHCID 591271833-hydroxy-5-isopropoxy-N-(1-methyl-1H-pyrazol-3-yl)benzamide

Product 1

HCID 536295393-{[2-(azetidin-1-ylcarbonyl)pyrimidin-5-yl]oxy}-5-[(1-methylethyl)oxy]-N-(1-methyl-1H-pyrazol-3-yl)benzamideYield 50.1%

Reagents, catalysts & solvents 3

HCID 11251615Bromotris(triphenylphosphine)copper(I)CatalystHCID 962WaterSolventHCID 31374DimethylacetamideSolvent

Conditions

Temperature
160 °C

Procedure

A mixture of 3-hydroxy-5-[(1-methylethyl)oxy]-N-(1-methyl-1H-pyrazol-3-yl)benzamide (250 mg, 0.91 mmol), 2-(azetidin-1-ylcarbonyl)-5-bromopyrimidine (242 mg, 1.0 mmol), cesium carbonate (886 mg, 2.72 mmol) and bromotris(triphenylphosphine)copper(I) (423 mg, 0.45 mmol) in DMA (5 mL) was stirred in a ‘Biotage initiator Microwave’ at 160° C. for 4 hours. The mixture was added to ethyl acetate (50 mL) and water (50 mL), the organic layer washed with brine (50 mL), dried (MgSO4), filtered and the solvent removed in vacuo to give a brown oil. The residue was chromatographed on silica, eluting with a gradient of 0-10% methanol in ethyl acetate, to give the desired compound (199 mg).

Workup

  1. washthe organic layer washed with brine (50 mL)
  2. dry with materialdried (MgSO4)
  3. filtrationfiltered
  4. customthe solvent removed in vacuo
  5. customto give a brown oil
  6. customThe residue was chromatographed on silica
  7. washeluting with a gradient of 0-10% methanol in ethyl acetate

Sources & evidence

ORD record
ord-04569fccfb52490da1bc03798c13adf6
Source dataset
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07642263B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes