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Triethylamine → (4-(2,4-Difluorobenzyl)-4-hydroxypiperidin-1-yl)(2-(pyrimidin-4-yl)pyridin-3-yl)methanone

HRID 240414
Notes
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Reaction equation

HRID 240414 reaction equation
Cl.Cl.[N:3]1[CH:8]=[CH:7][C:6]([C:9]2[N:17]=[CH:16][CH:15]=[CH:14][C:10]=2[C:11]([OH:13])=O)=[N:5][CH:4]=1.Cl.[F:19][C:20]1[CH:33]=[C:32]([F:34])[CH:31]=[CH:30][C:21]=1[CH2:22][C:23]1([OH:29])[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C>CN(C=O)C.O>[F:19][C:20]1[CH:33]=[C:32]([F:34])[CH:31]=[CH:30][C:21]=1[CH2:22][C:23]1([OH:29])[CH2:28][CH2:27][N:26]([C:11]([C:10]2[C:9]([C:6]3[CH:7]=[CH:8][N:3]=[CH:4][N:5]=3)=[N:17][CH:16]=[CH:15][CH:14]=2)=[O:13])[CH2:25][CH2:24]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 866808562-(Pyrimidin-4-yl)nicotinic acid dihydrochlorideHCID 866808664-(2,4-Difluorobenzyl)-4-hydroxypiperidine hydrochloride

Product 1

HCID 86680871
(4-(2,4-Difluorobenzyl)-4-hydroxypiperidin-1-yl)(2-(pyrimidin-4-yl)pyridin-3-yl)methanone
Yield 33.4%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

A suspension of 2-(pyrimidin-4-yl)nicotinic acid dihydrochloride (0.36 g), 4-(2,4-difluorobenzyl)-4-hydroxypiperidine hydrochloride (0.42 g), HATU (0.75 g) and triethylamine (1.1 mL) in DMF (5 mL) was stirred overnight at room temperature. The reaction mixture was diluted with water, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous sodium sulfate. The solvent was evaporated under reduced pressure. The residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane), and recrystallized from ethyl acetate/hexane to give the title compound (0.18 g).

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe extract was washed with saturated brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. customThe solvent was evaporated under reduced pressure
  5. customThe residue was purified by silica gel column chromatography (NH, ethyl acetate/hexane)
  6. customrecrystallized from ethyl acetate/hexane

Sources & evidence

ORD record
ord-a7ec8ce4d219406cafaadf2c86b2c54b
Source dataset
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08648079B2

Reaction notes

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