Tetrahydrofuran → methyl 5-((6-(1,3-dimethyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-2-hydroxy-4-methylbenzoate

HRID 629336Notes

Reaction equation

HRID 629336 reaction equation
Cl[C:2]1[N:7]=[CH:6][C:5]([CH2:8][C:9]2[C:10]([CH3:20])=[CH:11][C:12]([OH:19])=[C:13]([CH:18]=2)[C:14]([O:16][CH3:17])=[O:15])=[CH:4][CH:3]=1.C1COCC1.[CH3:26][N:27]1[CH:31]=[C:30](B2OC(C)(C)C(C)(C)O2)[C:29]([CH3:41])=[N:28]1.C(=O)([O-])[O-].[K+].[K+]>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.O>[CH3:26][N:27]1[CH:31]=[C:30]([C:2]2[N:7]=[CH:6][C:5]([CH2:8][C:9]3[C:10]([CH3:20])=[CH:11][C:12]([OH:19])=[C:13]([CH:18]=3)[C:14]([O:16][CH3:17])=[O:15])=[CH:4][CH:3]=2)[C:29]([CH3:41])=[N:28]1

Participants

7

Reactant 4

HCID 8028TetrahydrofuranHCID 11430Potassium CarbonateHCID 426473161,3-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazoleHCID 118468445Methyl 5-((6-chloropyridin-3-yl)methyl)-2-hydroxy-4-methylbenzoate

Product 1

HCID 118468340methyl 5-((6-(1,3-dimethyl-1H-pyrazol-4-yl)pyridin-3-yl)methyl)-2-hydroxy-4-methylbenzoateYield 83%

Reagents, catalysts & solvents 2

HCID 178418397HCID 178418397, compoundCatalystHCID 962WaterSolvent2×

Conditions

Temperature
85 °C

Procedure

To a solution of methyl 5-((6-chloropyridin-3-yl)methyl)-2-hydroxy-4-methylbenzoate (0.09 g) in a mixed solvent of THF (2.40 mL)-water (0.80 mL) were added 1,3-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (0.14 g), potassium carbonate (0.17 g) and tetrakis(triphenylphosphine)palladium(0) (0.03 g), and the mixture was stirred overnight at 85° C. under argon atmosphere. To the reaction mixture was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (0.09 g).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with water and saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

Sources & evidence

ORD record
ord-cdcdd410abc5441c894cb4c9ea24ee12
Source dataset
uspto-grants-2016_04
Patent number
US09315458B2

Reaction notes

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