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3-(4-Nitrophenyl)propionitrile → 3-(4-aminophenyl)propanenitrile

HRID 1947620
Notes
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Reaction equation

HRID 1947620 reaction equation
[N+:1]([C:4]1[CH:9]=[CH:8][C:7]([CH2:10][CH2:11][C:12]#[N:13])=[CH:6][CH:5]=1)([O-])=O>CO.[Pd]>[NH2:1][C:4]1[CH:5]=[CH:6][C:7]([CH2:10][CH2:11][C:12]#[N:13])=[CH:8][CH:9]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 50518053-(4-Nitrophenyl)propionitrile

Product 1

HCID 104193243-(4-aminophenyl)propanenitrileYield 84.7%

Reagents, catalysts & solvents 2

HCID 23938PalladiumCatalystHCID 887MethanolSolvent

Procedure

3-(4-Nitrophenyl)propionitrile (740 mg, 4.2 mmol) was dissolved in methanol (100 mL), 10% Pd/C was added and the mixture was shaken under a hydrogen atmosphere (50 psi) at room temperature for 30 minutes. The mixture was filtered through Celite, and washed with 20 mL of methanol. The combined organic solvent was concentrated under reduced pressure to give crude materials which was further purified by flash column chromatography (Ethyl acetate:Hexanes 1:1) to yield 520 mg of 3-(4-Aminophenyl)propionitrile as a light yellow oil. 1H NMR (DMSO-d6): δ 6.91-6.88 (d, J=9.0 Hz, 2H), 6.49-6.46 (d, J=9.0 Hz, 2H), 4.92 (s, 2H), 2.66 (s, 4H).

Workup

  1. filtrationThe mixture was filtered through Celite
  2. washwashed with 20 mL of methanol
  3. concentrationThe combined organic solvent was concentrated under reduced pressure
  4. customto give crude materials which
  5. customwas further purified by flash column chromatography (Ethyl acetate:Hexanes 1:1)

Sources & evidence

ORD record
ord-34aba6d80de449cbb1c118f68bbfc2f7
Source dataset
uspto-grants-2013_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08399472B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes