Cesium carbonate → (2-Chloro-5-methyl-pyrimidin-4-yl)-(2-methyl-3-trifluoromethyl-phenyl)-amine

HRID 1095062Notes

Reaction equation

HRID 1095062 reaction equation
[Cl:1][C:2]1[N:7]=[C:6]([NH2:8])[C:5]([CH3:9])=[CH:4][N:3]=1.Br[C:11]1[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([F:20])([F:19])[F:18])[C:12]=1[CH3:21].CC1(C)C2C(=C(P(C3C=CC=CC=3)C3C=CC=CC=3)C=CC=2)OC2C(P(C3C=CC=CC=3)C3C=CC=CC=3)=CC=CC1=2.C(=O)([O-])[O-].[Cs+].[Cs+]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[Cl:1][C:2]1[N:7]=[C:6]([NH:8][C:11]2[CH:16]=[CH:15][CH:14]=[C:13]([C:17]([F:18])([F:20])[F:19])[C:12]=2[CH3:21])[C:5]([CH3:9])=[CH:4][N:3]=1

Participants

7

Reactant 4

HCID 10796Cesium carbonateHCID 6360441,1'-(9,9-Dimethyl-9H-xanthene-4,5-diyl)bis(1,1-diphenylphosphine)HCID 27756341-Bromo-2-methyl-3-(trifluoromethyl)benzeneHCID 43021752-Chloro-5-methylpyrimidin-4-amine

Product 1

HCID 57675114(2-Chloro-5-methyl-pyrimidin-4-yl)-(2-methyl-3-trifluoromethyl-phenyl)-amineYield 25%

Reagents, catalysts & solvents 2

HCID 9811564Bis(dibenzylideneacetone)palladiumCatalystHCID 312751,4-DioxaneSolvent

Procedure

A mixture of 2-chloro-5-methyl-pyrimidin-4-ylamine (0.18 g, 5.9 mmol), 1-bromo-2-methyl-3-trifluoromethyl-benzene (0.33 g, 1.4 mmol), Pd2(dba)3 (0.12 g, 0.13 mmol), Xantphos (0.15 g, 0.25 mmol) and cesium carbonate (1.23 g, 3.8 mmol) were suspended in dioxane (8 mL) microwaved at 160° C. for 18 min. Reaction vessel was then centrifuged down and decanted. Solvents then evaporated and resulting residue was purified by Hash chromatography on silica gel to afford title compound as white solids (0.095 g, 25%).

Workup

  1. custommicrowaved at 160° C. for 18 min
  2. customReaction vessel
  3. customdecanted
  4. customSolvents then evaporated
  5. customresulting residue
  6. customwas purified by Hash chromatography on silica gel

Sources & evidence

ORD record
ord-cd66ce787ce34b36a311d634f16300d7
Source dataset
uspto-grants-2012_03
Patent number
US08133900B2

Reaction notes

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