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Tetrahydrofuran → 5-(3-(6-(2-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamine

HRID 1691298
Notes
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Reaction equation

HRID 1691298 reaction equation
[F:1][C:2]1[CH:19]=[CH:18][CH:17]=[CH:16][C:3]=1[O:4][C:5]1[N:10]=[CH:9][C:8]([CH2:11][C:12](Cl)=[N:13][OH:14])=[CH:7][CH:6]=1.O1CCCC1.[C:25]([C:27]1[CH:28]=[CH:29][C:30]([NH2:33])=[N:31][CH:32]=1)#[CH:26].C(N(CC)CC)C>O>[F:1][C:2]1[CH:19]=[CH:18][CH:17]=[CH:16][C:3]=1[O:4][C:5]1[N:10]=[CH:9][C:8]([CH2:11][C:12]2[CH:26]=[C:25]([C:27]3[CH:28]=[CH:29][C:30]([NH2:33])=[N:31][CH:32]=3)[O:14][N:13]=2)=[CH:7][CH:6]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 219548275-Ethynylpyridin-2-amineHCID 72262887(6-(2-Fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride

Product 1

HCID 592553785-(3-(6-(2-Fluoro-phenoxy)-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamineYield 17%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
50 °C

Procedure

To a mixture of (6-(2-fluoro-phenoxy)-pyridin-3-yl)-acetohydroximoyl chloride (28 mg) described in Manufacturing Example 74-1-4 and tetrahydrofuran (1 mL) were added 5-ethynyl-pyridin-2-ylamine (9.0 mg, 0.076 mmol) described in Manufacturing Example 28-1-3 and triethylamine (21 μL, 0.15 mmol), which was stirred for 5 hours at 50° C. The reaction mixture was allowed to room temperature, water was added at the same temperature, and the mixture 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 (4.6 mg, 17%).

Workup

  1. customwas allowed to room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium chloride
  4. concentrationwas concentrated under a reduced pressure
  5. customThe residue was purified by NH silica gel column chromatography (ethyl acetate)

Sources & evidence

ORD record
ord-5583b620b798436cbffc73a5d24d1614
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08153662B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes