Sodium hydride → 3-(1-(4-Phenoxy-benzyl)-1H-pyrazol-4-yl)-pyridin-2-ylamine

HRID 77871

Reaction equation

HRID 77871 reaction equation
[NH:1]1[CH:5]=[C:4]([C:6]2[C:7]([NH2:12])=[N:8][CH:9]=[CH:10][CH:11]=2)[CH:3]=[N:2]1.[H-].[Na+].Cl[CH2:16][C:17]1[CH:22]=[CH:21][C:20]([O:23][C:24]2[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=2)=[CH:19][CH:18]=1>CN(C)C=O>[O:23]([C:20]1[CH:19]=[CH:18][C:17]([CH2:16][N:1]2[CH:5]=[C:4]([C:6]3[C:7]([NH2:12])=[N:8][CH:9]=[CH:10][CH:11]=3)[CH:3]=[N:2]2)=[CH:22][CH:21]=1)[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1

Participants

5

Reactant 3

HCID 24758Sodium hydrideHCID 5209941-(Chloromethyl)-4-phenoxybenzeneHCID 592552903-(1H-pyrazol-4-yl)-pyridin-2-ylamine

Product 1

HCID 592552643-(1-(4-Phenoxy-benzyl)-1H-pyrazol-4-yl)-pyridin-2-ylamineYield 92.1%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of 3-(1H-pyrazol-4-yl)-pyridin-2-ylamine (20 mg, 0.13 mmol) described in Manufacturing Example 32-1-4 in N,N-dimethylformamide (10 mL) was added sodium hydride (7.5 mg, 0.19 mmol, 60% in oil) under nitrogen atmosphere on an ice bath (0° C.), which was stirred for 30 minutes at room temperature. 1-Chloromethyl-4-phenoxy-benzene (32.8 mg, 0.15 mmol) described in Manufacturing Example 34-1-1 was then added to the mixture and stirred for 30 minutes at room temperature. The reaction mixture was partitioned into water and ethyl acetate at room temperature. The organic layer was washed with water and saturated aqueous sodium chloride, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under a reduced pressure. The residue was purified by NH silica gel column chromatography (ethyl acetate:heptane=2:1, then ethyl acetate only) to obtain the title compound (41 mg, 86%, purity: 90%).

Workup

  1. additionwas then added to the mixture
  2. stirringstirred for 30 minutes at room temperature
  3. customThe reaction mixture was partitioned into water and ethyl acetate at room temperature
  4. washThe organic layer was washed with water and saturated aqueous sodium chloride
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customthe solvent was evaporated under a reduced pressure
  7. customThe residue was purified by NH silica gel column chromatography (ethyl acetate

Sources & evidence

ORD record
ord-9a6c63b356e945a2b38c87d124ac40db
Source dataset
uspto-grants-2014_09
Patent number
US08841327B2

Linked notes

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