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Sodium Carbonate → HCID 67997360, compound

HRID 470376
Notes
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Reaction equation

HRID 470376 reaction equation
Br[C:2]1[C:7]([F:8])=[CH:6][CH:5]=[CH:4][N:3]=1.[C:9]([C:11]1[CH:16]=[CH:15][C:14](B(O)O)=[CH:13][CH:12]=1)#[N:10].C(=O)([O-])[O-].[Na+].[Na+]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[F:8][C:7]1[C:2]([C:14]2[CH:15]=[CH:16][C:11]([C:9]#[N:10])=[CH:12][CH:13]=2)=[N:3][CH:4]=[CH:5][CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10340Sodium CarbonateHCID 27343264-Cyanophenylboronic acidHCID 27628032-Bromo-3-fluoropyridine

Product 1

HCID 67997360HCID 67997360, compoundYield 97.5%

Reagents, catalysts & solvents 1

HCID 178418397HCID 178418397, compoundCatalyst

Conditions

Temperature
80 °C

Procedure

A mixture of 2-bromo-3-fluoropyridine (1.05 g, 6.0 mmol), 4-cyanophenylboronic acid (0.882 g, 6.0 mmol), Pd(PPh3)4 (0.138 g, 0.12 mmol), and aqueous sodium carbonate solution (2M, 6 mL), in dioxane (6 mL) was degassed for 15 minutes. The mixture was sealed, heated to 80° C. for 12 hours, washed with water and extracted with ethyl acetate. The organic layer was dried over magnesium sulfate, concentrated and purified by chromatography to yield 4-(3-fluoropyridin-2-yl)benzonitrile (1.16 g, 89%).

Workup

  1. customin dioxane (6 mL) was degassed for 15 minutes
  2. customThe mixture was sealed
  3. washwashed with water
  4. extractionextracted with ethyl acetate
  5. dry with materialThe organic layer was dried over magnesium sulfate
  6. concentrationconcentrated
  7. custompurified by chromatography

Sources & evidence

ORD record
ord-2407cd05bc9b4ef8b9a6e3153f8e8f93
Source dataset
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08629278B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes