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Water → Isopropyl 2-[3-[(2,3-dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenoxy]acetate

HRID 1771836
Notes
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Reaction equation

HRID 1771836 reaction equation
[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[CH:4][C:3]=1[CH2:15][NH:16][C:17]1[C:18]([F:25])=[C:19]([OH:24])[CH:20]=[CH:21][C:22]=1[F:23].C([O-])([O-])=O.[Cs+].[Cs+].Br[CH2:33][C:34]([O:36][CH:37]([CH3:39])[CH3:38])=[O:35].O>CC(C)=O>[CH3:1][C:2]1[C:7]([CH3:8])=[CH:6][C:5]([C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=2)=[CH:4][C:3]=1[CH2:15][NH:16][C:17]1[C:18]([F:25])=[C:19]([CH:20]=[CH:21][C:22]=1[F:23])[O:24][CH2:33][C:34]([O:36][CH:37]([CH3:39])[CH3:38])=[O:35]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 10796Cesium carbonateHCID 121593Isopropyl bromoacetateHCID 894440953-[(2,3-Dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenol

Product 1

HCID 89444175Isopropyl 2-[3-[(2,3-dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenoxy]acetateYield 75%

Reagents, catalysts & solvents 1

HCID 180AcetoneSolvent

Procedure

To a solution of 3-[(2,3-dimethyl-5-phenyl-phenyl)methylamino]-2,4-difluoro-phenol (120 mg, 0.4 mmol, 1.0 eq) in acetone (4 mL) was added Cs2CO3 (173 mg, 0.5 mmol, 1.5 eq) and the reaction was stirred at room temperature for 30 min. Isopropyl bromoacetate (76 mg, 0.42 mmol, 1.2 eq) was added and the reaction was stirred at room temperature for 1 h. Water was added and the aqueous layer was extracted with EtOAc. The combined organic extracts were washed with water and brine, dried (Na2SO4), filtered and evaporated in vacuo. The residue obtained was purified by column chromatography (petroleum ether:EtOAc, 20:1) to give the title compound as a colorless oil (117 mg, 75%).

Workup

  1. stirringthe reaction was stirred at room temperature for 1 h
  2. extractionthe aqueous layer was extracted with EtOAc
  3. washThe combined organic extracts were washed with water and brine
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. customevaporated in vacuo
  7. customThe residue obtained
  8. customwas purified by column chromatography (petroleum ether:EtOAc, 20:1)

Sources & evidence

ORD record
ord-21450982ae7440f08eff5801cf4ff20a
Source dataset
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09249085B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes