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Potassium Carbonate → HCID 86699303, compound

HRID 516981
Notes
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Reaction equation

HRID 516981 reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([N:8]2[C:13]([CH3:14])=[CH:12][C:11]([OH:15])=[CH:10][C:9]2=[O:16])[C:5]([CH3:17])=[CH:4][N:3]=1.[CH3:18][O:19][C:20]1[CH:27]=[CH:26][C:23]([CH2:24]Cl)=[CH:22][CH:21]=1.C(=O)([O-])[O-].[K+].[K+].C(OCC)(=O)C.CCCCCCC>CN(C)C=O.C1OCCOCCOCCOCCOCCOC1>[Cl:1][C:2]1[CH:7]=[C:6]([N:8]2[C:13]([CH3:14])=[CH:12][C:11]([O:15][CH2:24][C:23]3[CH:26]=[CH:27][C:20]([O:19][CH3:18])=[CH:21][CH:22]=3)=[CH:10][C:9]2=[O:16])[C:5]([CH3:17])=[CH:4][N:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 11430Potassium CarbonateHCID 699934-Methyloxybenzyl chlorideHCID 21899848Ethylacetate heptaneHCID 86343533HCID 86343533, compound

Product 1

HCID 86699303HCID 86699303, compound

Reagents, catalysts & solvents 2

HCID 28557
18-Crown-6
Catalyst
HCID 6228DimethylformamideSolvent

Conditions

Temperature
60 °C

Procedure

To a solution of 2′-chloro-4-hydroxy-6,5′-dimethyl-[1,4′]bipyridinyl-2-one of part A (6.0 g, 20.1 mmol) in N,N-dimethylformamide (20 mL) was added 4-methoxybenzylchloride (2.73 mL, 20.1 mmol), potassium carbonate (6.93 g, 50.2 mmol) and 18-crown-6 (100 mg). The slurry was heated at 60° C. for 3 h and was stirred at ambient temperature for 18 h. The reaction mixture was partitioned between ethyl acetate and water. The organic layer was washed with water and brine and dried over magnesium sulfate. The solution was concentrated in vacuo to provide a brown oil. Normal phase chromatography (ethyl acetate/heptane) provided the alkylated product as a light yellow solid (4.6 g): MS (ES) m/e 371 (M+H).

Workup

  1. customThe reaction mixture was partitioned between ethyl acetate and water
  2. washThe organic layer was washed with water and brine
  3. dry with materialdried over magnesium sulfate
  4. concentrationThe solution was concentrated in vacuo
  5. customto provide a brown oil

Sources & evidence

ORD record
ord-1826ac3eda9b4d7e91fc06f460fa999f
Source dataset
uspto-grants-2015_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09115089B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes