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Tetrahydrofuran → HCID 59255345, compound

HRID 1891761
Notes
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Reaction equation

HRID 1891761 reaction equation
[C:1]1([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][C:8](Cl)=[N:9][OH:10])[CH:2]=1.O1CCCC1.[C:23]([C:25]1[C:26]([NH2:31])=[N:27][CH:28]=[CH:29][CH:30]=1)#[CH:24].C(N(CC)CC)C>O>[C:1]1([C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][C:8]2[CH:24]=[C:23]([C:25]3[C:26]([NH2:31])=[N:27][CH:28]=[CH:29][CH:30]=3)[O:10][N:9]=2)[CH:2]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 124225263-Ethynylpyridin-2-amineHCID 72262885Biphenyl-3-yl-acetohydroximoyl chloride

Product 1

HCID 59255345HCID 59255345, compoundYield 34.4%

Reagents, catalysts & solvents 1

HCID 962
Water
Solvent

Conditions

Temperature
55 °C

Procedure

To a mixture of biphenyl-3-yl-acetohydroximoyl chloride (120 mg) described in Manufacturing Example 85-1-3 and tetrahydrofuran (6 mL) were added 3-ethynyl-pyridin-2-ylamine (28 mg, 0.24 mmol) described in Manufacturing Example 1-2-3 and triethylamine (200 μL, 1.4 mmol) at room temperature, which was stirred for 2.5 hours at 55° C. The reaction mixture was cooled to room temperature and water was added at that temperature, followed by extraction 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:heptane=2:1) to obtain the title compound (27 mg, 34%).

Workup

  1. temperatureThe reaction mixture was cooled to room temperature
  2. extractionfollowed by extraction 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:heptane=2:1)

Sources & evidence

ORD record
ord-e5cc5a21d63a4dcd9bec5de70353c3a0
Source dataset
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08507530B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes