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Water → 5-Fluoro-2-{2-(methoxycarbonyl)methoxyphenoxy}-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]aniline

HRID 1241293
Notes
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Reaction equation

HRID 1241293 reaction equation
O.[F:2][C:3]1[C:21]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:32])([F:31])[F:30])[N:24]([CH3:33])[C:23]2=[O:34])=[CH:20][C:6]([O:7][C:8]2[CH:19]=[CH:18][CH:17]=[CH:16][C:9]=2[O:10][CH2:11][C:12]([O:14][CH3:15])=[O:13])=[C:5]([N+:35]([O-])=O)[CH:4]=1>C(O)(=O)C.[Fe]>[NH2:35][C:5]1[CH:4]=[C:3]([F:2])[C:21]([N:22]2[C:27](=[O:28])[CH:26]=[C:25]([C:29]([F:30])([F:32])[F:31])[N:24]([CH3:33])[C:23]2=[O:34])=[CH:20][C:6]=1[O:7][C:8]1[CH:19]=[CH:18][CH:17]=[CH:16][C:9]=1[O:10][CH2:11][C:12]([O:14][CH3:15])=[O:13]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 962WaterHCID 187592902-{2-(Methoxycarbonyl)methoxyphenoxy}-5-fluoro-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]nitrobenzene

Product 1

HCID 187593175-Fluoro-2-{2-(methoxycarbonyl)methoxyphenoxy}-4-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]anilineYield 84.2%

Reagents, catalysts & solvents 2

HCID 23925IronCatalyst
HCID 176Acetic AcidSolvent2×

Procedure

To a mixture of 19 g of iron powder, 60 ml of acetic acid, and 6 ml of water was added dropwise a solution of 19.12 g of methyl [2-{4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]-2-nitrophenoxy}phenoxy]acetate in 60 ml of acetic acid under ice cooling. After completion of the dropwise addition, the temperature was increased to room temperature, and the mixture was stirred for 4 hours. The reaction mixture was filtered through Celite, and the filtrate was diluted with ethyl acetate. The mixture was washed with water, saturated aqueous sodium bicarbonate solution and saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel chromatography to give 15.16 g of methyl [2-{2-amino-4-fluoro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-1,2,3,6-tetrahydropyrimidin-1-yl]phenoxy}phenoxy]acetate.

Workup

  1. additionAfter completion of the dropwise addition
  2. filtrationThe reaction mixture was filtered through Celite
  3. additionthe filtrate was diluted with ethyl acetate
  4. washThe mixture was washed with water, saturated aqueous sodium bicarbonate solution and saturated aqueous sodium chloride solution
  5. dry with materialdried over anhydrous magnesium sulfate
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-e40c3132596646938d0ca30f6b7e15be
Source dataset
uspto-grants-2006_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07115544B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes