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Dimethylacetamide → 6-Methyl-5-(2-methyl-2H-pyrazol-3-yl)-2-oxo-1-(3-trifluoromethyl-phenyl)-1,2-dihydro-pyridine-3-carboxylic acid cyanomethyl amide

HRID 1888827
Notes
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Reaction equation

HRID 1888827 reaction equation
[CH3:1][C:2]1[N:7]([C:8]2[CH:13]=[C:12]([C:14]([F:17])([F:16])[F:15])[CH:11]=[CH:10][CH:9]=2)[C:6](=[O:18])[C:5]([C:19]([OH:21])=O)=[CH:4][C:3]=1[C:22]1[N:23]([CH3:27])[N:24]=[CH:25][CH:26]=1.CN(C(O[N:36]1N=[N:43][C:38]2C=CC=C[C:37]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CC(N(C)C)=O.Cl.NCC#N>O1CCOCC1>[C:37]([CH2:38][NH:43][C:19]([C:5]1[C:6](=[O:18])[N:7]([C:8]2[CH:9]=[CH:10][CH:11]=[C:12]([C:14]([F:17])([F:15])[F:16])[CH:13]=2)[C:2]([CH3:1])=[C:3]([C:22]2[N:23]([CH3:27])[N:24]=[CH:25][CH:26]=2)[CH:4]=1)=[O:21])#[N:36]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 31374DimethylacetamideHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 11491918Aminoacetonitrile hydrochlorideHCID 594558756-Methyl-5-(1-methyl-1H-pyrazol-5-yl)-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyridine-3-carboxylic acid

Product 1

HCID 86614785
6-Methyl-5-(2-methyl-2H-pyrazol-3-yl)-2-oxo-1-(3-trifluoromethyl-phenyl)-1,2-dihydro-pyridine-3-carboxylic acid cyanomethyl amide
Yield 72.2%

Reagents, catalysts & solvents 1

HCID 312751,4-DioxaneSolvent

Procedure

The compound obtained in step (a) (0.2 g, 0.53 mmol) was dissolved in 1,4-dioxane (5 ml), HBTU (0.19 g, 0.5 mmol) and DMA (0.32 g, 2.5 mmol). The mixture was stirred for 10 minutes and aminoacetonitrile hydrochloride (0.55 g, 0.6 mmol) was added. After 1 h the mixture was evaporated and the residue purified by chromatography on silica to give the amide (0.15 g, 72%) as a white solid.

Workup

  1. customAfter 1 h the mixture was evaporated
  2. customthe residue purified by chromatography on silica

Sources & evidence

ORD record
ord-a6985feec92942708ff1f7964f8657f4
Source dataset
uspto-grants-2013_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08501784B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes