Methyl 2-Chloro-4-fluorobenzoate → 2-Chloro-4-fluoro-β-oxobenzenepropanenitrile

HRID 1695175Notes

Reaction equation

HRID 1695175 reaction equation
[NH2:1][C:2]1[CH:6]=CNN=1.CO[C:9](=[O:18])[C:10]1[CH:15]=[CH:14][C:13]([F:16])=[CH:12][C:11]=1[Cl:17]>>[Cl:17][C:11]1[CH:12]=[C:13]([F:16])[CH:14]=[CH:15][C:10]=1[C:9](=[O:18])[CH2:6][C:2]#[N:1]

Participants

3

Reactant 2

HCID 2763551Methyl 2-Chloro-4-fluorobenzoateHCID 178418806HCID 178418806, compound

Product 1

HCID 246916312-Chloro-4-fluoro-β-oxobenzenepropanenitrileYield 60%

Procedure

The product was prepared according to the general procedure for aminopyrazole synthesis (route A1) from 2-chloro-4-fluoro-benzoic acid methyl ester (0.7 g, 3.7 mmol, 1.0 eq). The crude product was extracted with DCM and used in the following step without further purification (0.4 g, yield: 60%).

Workup

  1. customThe product was prepared
  2. extractionThe crude product was extracted with DCM
  3. customused in the following step without further purification (0.4 g, yield: 60%)

Sources & evidence

ORD record
ord-35497e4c044a4424b7ba33b570138664
Source dataset
uspto-grants-2012_04
Patent number
US08163729B2

Reaction notes

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