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4-Isopropoxybenzeneboronic acid → 4'-{[2-ethoxy-5-(4-isopropoxyphenyl)-4-methyl-6-oxopyrimidin-1(6H)-yl]methyl}biphenyl-2-carbonitrile

HRID 1673860
Notes
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Reaction equation

HRID 1673860 reaction equation
Br[C:2]1[C:7](=[O:8])[N:6]([CH2:9][C:10]2[CH:15]=[CH:14][C:13]([C:16]3[C:17]([C:22]#[N:23])=[CH:18][CH:19]=[CH:20][CH:21]=3)=[CH:12][CH:11]=2)[C:5]([O:24][CH2:25][CH3:26])=[N:4][C:3]=1[CH3:27].[CH:28]([O:31][C:32]1[CH:37]=[CH:36][C:35](B(O)O)=[CH:34][CH:33]=1)([CH3:30])[CH3:29]>C(=O)([O-])[O-].[Cs+].[Cs+].O1CCOCC1.C(OCC)(=O)C.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[CH2:25]([O:24][C:5]1[N:6]([CH2:9][C:10]2[CH:15]=[CH:14][C:13]([C:16]3[C:17]([C:22]#[N:23])=[CH:18][CH:19]=[CH:20][CH:21]=3)=[CH:12][CH:11]=2)[C:7](=[O:8])[C:2]([C:35]2[CH:36]=[CH:37][C:32]([O:31][CH:28]([CH3:30])[CH3:29])=[CH:33][CH:34]=2)=[C:3]([CH3:27])[N:4]=1)[CH3:26]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 2

HCID 36987264-Isopropoxybenzeneboronic acidHCID 574600994'-[(5-bromo-2-ethoxy-4-methyl-6-oxopyrimidin-1(6H)-yl)methyl]biphenyl-2-carbonitrile

Product 1

HCID 574604234'-{[2-ethoxy-5-(4-isopropoxyphenyl)-4-methyl-6-oxopyrimidin-1(6H)-yl]methyl}biphenyl-2-carbonitrileYield 94%

Reagents, catalysts & solvents 4

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
Catalyst
HCID 8857Ethyl AcetateSolvent
HCID 10796Cesium carbonateSolvent
HCID 312751,4-DioxaneSolvent

Procedure

4′-[(5-Bromo-2-ethoxy-4-methyl-6-oxopyrimidin-1(6H)-yl)methyl]biphenyl-2-carbonitrile (0.50 g), 4-isopropoxyphenylboronic acid (0.32 g) and [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium (0.050 g) were dissolved in 2 M aqueous cesium carbonate solution (2 mL) and 1,4-dioxane (10 mL), and the mixture was stirred at 90° C. overnight under an argon atmosphere. The reaction mixture was diluted with ethyl acetate, and the insoluble material was filtered off through celite. The filtrate was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to give the title compound (0.53 g, 94%) as a colorless solid.

Workup

  1. filtrationthe insoluble material was filtered off through celite
  2. washThe filtrate was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customthe residue was purified by silica gel column chromatography

Sources & evidence

ORD record
ord-dafb8c3358b945339ecad38244530b76
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07998968B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes