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

HRID 1770864
Notes
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Reaction equation

HRID 1770864 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-fabefd326d8442e8b86dd2ea9123077e
Source dataset
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09248190B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes