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Sodium Hydroxide → 3-(5-chloro-4-[(2,4-difluorobenzyl)oxy]-2-methyl-6-oxopyrimidin-1(6H)-yl]-4-methylbenzoic acid

HRID 2172595
Notes
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Reaction equation

HRID 2172595 reaction equation
C[O:2][C:3](=[O:30])[C:4]1[CH:9]=[CH:8][C:7]([CH3:10])=[C:6]([N:11]2[C:16](=[O:17])[C:15]([Cl:18])=[C:14]([O:19][CH2:20][C:21]3[CH:26]=[CH:25][C:24]([F:27])=[CH:23][C:22]=3[F:28])[N:13]=[C:12]2[CH3:29])[CH:5]=1.[OH-].[Na+]>O1CCCC1>[Cl:18][C:15]1[C:16](=[O:17])[N:11]([C:6]2[CH:5]=[C:4]([CH:9]=[CH:8][C:7]=2[CH3:10])[C:3]([OH:30])=[O:2])[C:12]([CH3:29])=[N:13][C:14]=1[O:19][CH2:20][C:21]1[CH:26]=[CH:25][C:24]([F:27])=[CH:23][C:22]=1[F:28]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 210901983-[5-chloro-4-(2,4-difluoro-benzyloxy)-2-methyl-6-oxo-6H-pyrimidin-1-yl]-4-methyl-benzoic acid methyl ester

Product 1

HCID 210892963-(5-chloro-4-[(2,4-difluorobenzyl)oxy]-2-methyl-6-oxopyrimidin-1(6H)-yl]-4-methylbenzoic acidYield 103.1%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 3-[5-chloro-4-(2,4-difluoro-benzyloxy)-2-methyl-6-oxo-6H-pyrimidin-1-yl]-4-methyl-benzoic acid methyl ester from Step A (230 mg, 0.53 mmol) in tetrahydrofuran (3 mL) was added 1N sodium hydroxide (1 mL) and the solution was stirred at ambient temperature for four hours. The solution was concentrated in vacuo and the aqueous residue was acidified to pH=2 using 1M HCl. The solution was extracted with ethyl acetate, washed with water and dried over magnesium sulfate. The slurry was filtered and concentrated to give a light orange semi-solid (230 mg, quantitative yield).

Workup

  1. concentrationThe solution was concentrated in vacuo
  2. extractionThe solution was extracted with ethyl acetate
  3. washwashed with water
  4. dry with materialdried over magnesium sulfate
  5. filtrationThe slurry was filtered
  6. concentrationconcentrated

Sources & evidence

ORD record
ord-c63ca262e2a244f2928b35b357090004
Source dataset
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09056110B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes