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Potassium Carbonate → Methyl 2-[2-(2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]propionate

HRID 15375
Notes
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Reaction equation

HRID 15375 reaction equation
[Cl:1][C:2]1[CH:15]=[C:14]([F:16])[C:13]([N:17]2[C:22](=[O:23])[CH:21]=[C:20]([C:24]([F:27])([F:26])[F:25])[N:19]([CH3:28])[C:18]2=[O:29])=[CH:12][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[OH:11].C(=O)([O-])[O-].[K+].[K+].Br[CH:37]([CH3:42])[C:38]([O:40][CH3:41])=[O:39]>CN(C)C=O>[Cl:1][C:2]1[CH:15]=[C:14]([F:16])[C:13]([N:17]2[C:22](=[O:23])[CH:21]=[C:20]([C:24]([F:25])([F:26])[F:27])[N:19]([CH3:28])[C:18]2=[O:29])=[CH:12][C:3]=1[O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[O:11][CH:37]([CH3:42])[C:38]([O:40][CH3:41])=[O:39]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 11430Potassium CarbonateHCID 95576Methyl 2-bromopropionateHCID 121155072-(2-Chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenol

Product 1

HCID 12115508Methyl 2-[2-(2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]propionateYield 83.3%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

Into 6 ml of N,N-dimethylformamide was dissolved 0.23 g of 2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenol. After adding 0.22 g of anhydrous potassium carbonate, 0.13 g of methyl 2-bromopropionate was added at room temperature with stirring and then the mixture was stirred at 80° C. for 3 hours. After cooling the reaction solution to room temperature, the reaction solution was poured into ice-water and extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate and concentrated. The residue was subjected to silica-gel column chromatography to give 0.23 g of methyl 2-[2-{2-chloro-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]propionate [Compound A-3].

Workup

  1. additionwas added at room temperature
  2. stirringthe mixture was stirred at 80° C. for 3 hours
  3. extractionextracted with ethyl acetate
  4. washThe organic layer was washed with saturated aqueous sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-0c46d90e252d430a9e2b0496f1ef65a6
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07732602B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes