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Triethylamine → 3-(3-(4-Cyclohexyloxy-benzyl)-isoxazol-5-yl)-pyridin-2,6-diamine

HRID 78132
Notes
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Reaction equation

HRID 78132 reaction equation
[CH:1]1([O:7][C:8]2[CH:13]=[CH:12][C:11]([CH2:14][C:15](Cl)=[N:16][OH:17])=[CH:10][CH:9]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.[C:19]([C:21]1[C:22]([NH2:28])=[N:23][C:24]([NH2:27])=[CH:25][CH:26]=1)#[CH:20].C(N(CC)CC)C>O1CCCC1>[CH:1]1([O:7][C:8]2[CH:13]=[CH:12][C:11]([CH2:14][C:15]3[CH:20]=[C:19]([C:21]4[C:22]([NH2:28])=[N:23][C:24]([NH2:27])=[CH:25][CH:26]=4)[O:17][N:16]=3)=[CH:10][CH:9]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 552816763-Ethynylpyridine-2,6-diamineHCID 72262879(4-Cyclohexyloxy-phenyl)-acetohydroximoyl chloride

Product 1

HCID 592554333-(3-(4-Cyclohexyloxy-benzyl)-isoxazol-5-yl)-pyridin-2,6-diamineYield 63.8%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a tetrahydrofuran (3 mL) solution of (4-cyclohexyloxy-phenyl)-acetohydroximoyl chloride (150 mg, 0.56 mmol) described in Manufacturing Example 79-1-4 and 3-ethynyl-pyridine-2,6-diamine (47.6 mg, 0.357 mmol) described in Manufacturing Example 13-1-3 was added triethylamine (195 μL, 1.4 mmol). This reaction mixture was stirred for 4 hours at room temperature. This mixture was partitioned into ethyl acetate and water. The organic layer was separated, washed with water, dried with anhydrous magnesium sulfate, and filtered. The filtrate was concentrated under a reduced pressure, and the residue was purified by NH silica gel column chromatography (heptane: ethyl acetate=1:1˜ethyl acetate) to obtain the title compound (83 mg, 41%).

Workup

  1. customThis mixture was partitioned into ethyl acetate and water
  2. customThe organic layer was separated
  3. washwashed with water
  4. dry with materialdried with anhydrous magnesium sulfate
  5. filtrationfiltered
  6. concentrationThe filtrate was concentrated under a reduced pressure
  7. customthe residue was purified by NH silica gel column chromatography (heptane: ethyl acetate=1:1˜ethyl acetate)

Sources & evidence

ORD record
ord-33d724b1fbac4e09a567eecf35515b01
Source dataset
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08841327B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes