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Benzophenone imine → [(Diphenylmethylene)amino]acetonitrile

HRID 17008
Notes
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Reaction equation

HRID 17008 reaction equation
[C:1](=[NH:14])([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Cl.[NH2:16][CH2:17][C:18]#N>ClCCl>[C:1](=[N:14][CH2:18][C:17]#[N:16])([C:8]1[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 136809Benzophenone imineHCID 11491918Aminoacetonitrile hydrochloride

Product 1

HCID 612957[(Diphenylmethylene)amino]acetonitrileYield 157.5%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

A mixture of benzophenone imine (25 g, 0.138 mol, Aldrich) and aminoacetonitrile hydrochloride (25 g, 0.270 mol, Lancaster) in dichloromethane (1000 mL) was stirred in a 2 L Erlenmeyer flask under nitrogen at room temperature for 5 days. The reaction mixture was filtered to remove the precipitated ammonium chloride and the filtrate was evaporated to dryness in vacuo. The resulting residue was dissolved in ether (400 mL) washed with water (200 mL) and brine. After drying over magnesium sulfate the solution was evaporated to give (benzhydrylideneamino)acetonitrile (47.89 g).

Workup

  1. filtrationThe reaction mixture was filtered
  2. customto remove the precipitated ammonium chloride
  3. customthe filtrate was evaporated to dryness in vacuo
  4. dissolutionThe resulting residue was dissolved in ether (400 mL)
  5. washwashed with water (200 mL) and brine
  6. dry with materialAfter drying over magnesium sulfate the solution
  7. customwas evaporated

Sources & evidence

ORD record
ord-94fa87f1999c47d2b174ae1ff9bd6c42
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07737300B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes