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Tetrahydrofuran → 3-(3-(6-(4-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2,6-diamine

HRID 1891843
Notes
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Reaction equation

HRID 1891843 reaction equation
[F:1][C:2]1[CH:19]=[CH:18][C:5]([O:6][C:7]2[N:12]=[CH:11][C:10]([CH2:13][C:14](Cl)=[N:15][OH:16])=[CH:9][CH:8]=2)=[CH:4][CH:3]=1.O1CCCC1.[C:25]([C:27]1[C:28]([NH2:34])=[N:29][C:30]([NH2:33])=[CH:31][CH:32]=1)#[CH:26].C(N(CC)CC)C>O>[F:1][C:2]1[CH:19]=[CH:18][C:5]([O:6][C:7]2[N:12]=[CH:11][C:10]([CH2:13][C:14]3[CH:26]=[C:25]([C:27]4[C:28]([NH2:34])=[N:29][C:30]([NH2:33])=[CH:31][CH:32]=4)[O:16][N:15]=3)=[CH:9][CH:8]=2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 552816763-Ethynylpyridine-2,6-diamineHCID 72262888(6-(4-Fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride

Product 1

HCID 592552133-(3-(6-(4-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2,6-diamineYield 38.4%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Procedure

To a mixture of (6-(4fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride (25 mg) described in Manufacturing Example 75-1-4 and tetrahydrofuran (1 mL) were added 3-ethynyl-pyridin-2,6-diamine (8 mg, 0.060 mmol) described in Manufacturing Example 13-1-3 and triethylamine (17 μL, 0.12 mmol), which was stirred for 5 hours at room temperature. Water was added to the reaction mixture at the same temperature, which was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride, and was concentrated under a reduced pressure. The residue was purified by NH silica gel column chromatography (ethyl acetate) to obtain the title compound (8.7 mg, 38%).

Workup

  1. extractionwas extracted with ethyl acetate
  2. washThe organic layer was washed with saturated aqueous sodium chloride
  3. concentrationwas concentrated under a reduced pressure
  4. customThe residue was purified by NH silica gel column chromatography (ethyl acetate)

Sources & evidence

ORD record
ord-d987dd447d6d4baabffd59727abef6f1
Source dataset
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08507530B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes