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1,3-Benzenediacetonitrile → 2-[3-(2-Aminoethyl)phenyl]ethanamine

HRID 985387
Notes
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Reaction equation

HRID 985387 reaction equation
[C:1]1([CH2:10][C:11]#[N:12])[CH:6]=[CH:5][CH:4]=[C:3]([CH2:7][C:8]#[N:9])[CH:2]=1>CO.[Ni]>[C:3]1([CH2:7][CH2:8][NH2:9])[CH:4]=[CH:5][CH:6]=[C:1]([CH2:10][CH2:11][NH2:12])[CH:2]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 693751,3-Benzenediacetonitrile

Product 1

HCID 27496402-[3-(2-Aminoethyl)phenyl]ethanamineYield 96%

Reagents, catalysts & solvents 2

HCID 935NickelCatalystHCID 887MethanolSolvent

Procedure

To a solution of 1,3-phenylenediacetonitrile (9.37 g, 60 mmol) in CH3OH (saturated with NH3, 150 mL) was added Raney-Ni (ca. 20 g, previously washed with CH3OH several times) and the mixture was hydrogenated at 45 psi on a Parr apparatus for 48 h. The reaction mixture was filtered through celite and the filtrate evaporated to give the crude product (9.45 g, 96%) as a light green oil: 1H NMR (CDCl3) δ 0.80-1.50 (br s, 4H), 2.70-2.76 (m, 4H), 2.94-2.99 (m, 4H), 7.01-7.07 (m, 3H), 7.18-7.26 (m, 1H). This was used in the next step without further purification.

On this pageParticipantsProcedureWorkupSources & evidenceReaction notes

Workup

  1. washpreviously washed with CH3OH several times) and the mixture
  2. filtrationThe reaction mixture was filtered through celite
  3. customthe filtrate evaporated

Sources & evidence

ORD record
ord-c61cd0f6372e48408de34cb75b3d1431
Source dataset
uspto-grants-2005_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06872714B1

Reaction notes

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