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Tetrahydrofuran → 3-(3-(4-(6-Fluoro-pyridin-2-yloxymethyl)-benzyl)-isoxazol-5-yl)-pyridin-2-ylamine

HRID 1691039
Notes
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Reaction equation

HRID 1691039 reaction equation
O1CCCC1.[F:6][C:7]1[N:12]=[C:11]([O:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([CH2:21][C:22](Cl)=[N:23][OH:24])=[CH:17][CH:16]=2)[CH:10]=[CH:9][CH:8]=1.[C:26]([C:28]1[C:29]([NH2:34])=[N:30][CH:31]=[CH:32][CH:33]=1)#[CH:27].C(N(CC)CC)C>O>[F:6][C:7]1[N:12]=[C:11]([O:13][CH2:14][C:15]2[CH:20]=[CH:19][C:18]([CH2:21][C:22]3[CH:27]=[C:26]([C:28]4[C:29]([NH2:34])=[N:30][CH:31]=[CH:32][CH:33]=4)[O:24][N:23]=3)=[CH:17][CH:16]=2)[CH:10]=[CH:9][CH:8]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 124225263-Ethynylpyridin-2-amineHCID 72262902HCID 72262902, compound

Product 1

HCID 592553833-(3-(4-(6-Fluoro-pyridin-2-yloxymethyl)-benzyl)-isoxazol-5-yl)-pyridin-2-ylamineYield 37.1%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Conditions

Temperature
50 °C

Procedure

To a tetrahydrofuran (3 mL) solution of (4-(6-fluoro-pyridin-2-yloxymethyl)-phenyl)acetohydroximoyl chloride (200 mg, 0.679 mmol) described in Manufacturing Example 55-1-5 and 3-ethynyl-pyridin-2-ylamine (50 mg, 0.423 mmol) described in Manufacturing Example 1-2-3 was added triethylamine (237 μL, 1.7 mmol) at room temperature, which was stirred for 2 hours at 50° C. Water was added to the reaction solution at room temperature, which was then extracted with ethyl acetate. The organic layer was washed with 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 (heptane:ethyl acetate=4:1→2:1) to obtain the title compound (59 mg, 23%).

Workup

  1. extractionwhich was then extracted with ethyl acetate
  2. washThe organic layer was washed with saturated aqueous sodium chloride
  3. dry with materialdried over anhydrous magnesium sulfate
  4. customthe solvent was evaporated under a reduced pressure
  5. customThe residue was purified by NH silica gel column chromatography (heptane:ethyl acetate=4:1→2:1)

Sources & evidence

ORD record
ord-f859db92ea3845b3b22b75d40ea0c40a
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