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Water → 3-(6-Methoxy-7-oxiranylmethoxy-quinolin-4-yloxy)-5,6-dimethyl-[2,3']bipyridine

HRID 228948
Notes
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Reaction equation

HRID 228948 reaction equation
[CH3:1][C:2]1[CH:3]=[C:4]([O:15][C:16]2[C:25]3[C:20](=[CH:21][C:22]([OH:28])=[C:23]([O:26][CH3:27])[CH:24]=3)[N:19]=[CH:18][CH:17]=2)[C:5]([C:9]2[CH:10]=[N:11][CH:12]=[CH:13][CH:14]=2)=[N:6][C:7]=1[CH3:8].C(=O)([O-])[O-].[K+].[K+].[CH2:35]([CH:37]1[O:39][CH2:38]1)Br.O>CN(C)C=O>[CH3:27][O:26][C:23]1[CH:24]=[C:25]2[C:20](=[CH:21][C:22]=1[O:28][CH2:35][CH:37]1[CH2:38][O:39]1)[N:19]=[CH:18][CH:17]=[C:16]2[O:15][C:4]1[C:5]([C:9]2[CH:10]=[N:11][CH:12]=[CH:13][CH:14]=2)=[N:6][C:7]([CH3:8])=[C:2]([CH3:1])[CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 18430EpibromohydrinHCID 1361316184-(5,6-Dimethyl-[2,3']bipyridin-3-yloxy)-6-methoxy-quinolin-7-ol2×

Product 1

HCID 577565193-(6-Methoxy-7-oxiranylmethoxy-quinolin-4-yloxy)-5,6-dimethyl-[2,3']bipyridineYield 59%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

4-(5,6-Dimethyl-[2,3′]bipyridin-3-yloxy)-6-methoxy-quinolin-7-ol (compound 345) (146 mg) was dissolved in N,N-dimethylformamide (4 ml) to prepare a solution, potassium carbonate (162 mg) and epibromohydrin (0.1 ml) were added to the solution, and the mixture was stirred at room temperature overnight. Water was added to the reaction solution, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was then washed with saturated brine and was dried over anhydrous sodium sulfate. The solvent was removed by distillation under the reduced pressure, and the residue was purified by thin layer chromatography using chloroform-methanol to give the title compound (98 mg, yield 59%).

Workup

  1. additionwere added to the solution
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe ethyl acetate layer was then washed with saturated brine
  4. dry with materialwas dried over anhydrous sodium sulfate
  5. customThe solvent was removed by distillation under the reduced pressure
  6. customthe residue was purified by thin layer chromatography

Sources & evidence

ORD record
ord-bfd39c28a79940cca263e9c05e530be9
Source dataset
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07560558B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes