Ammonium Acetate → 2-[4-[2-[4-[2-(4-dibutylaminophenyl)vinyl]phenyl]vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene]propanedinitrile

HRID 85345Notes

Reaction equation

HRID 85345 reaction equation
[CH2:1]([N:5]([CH2:22][CH2:23][CH2:24][CH3:25])[C:6]1[CH:11]=[CH:10][C:9]([CH:12]=[CH:13][C:14]2[CH:21]=[CH:20][C:17]([CH:18]=O)=[CH:16][CH:15]=2)=[CH:8][CH:7]=1)[CH2:2][CH2:3][CH3:4].[C:26]([C:28]1[C:29](=[C:36]([C:39]#[N:40])[C:37]#[N:38])[O:30][C:31]([CH3:35])([CH3:34])[C:32]=1[CH3:33])#[N:27].C([O-])(=O)C.[NH4+]>C(O)C.O1CCCC1>[CH2:22]([N:5]([CH2:1][CH2:2][CH2:3][CH3:4])[C:6]1[CH:11]=[CH:10][C:9]([CH:12]=[CH:13][C:14]2[CH:21]=[CH:20][C:17]([CH:18]=[CH:33][C:32]3[C:31]([CH3:34])([CH3:35])[O:30][C:29](=[C:36]([C:37]#[N:38])[C:39]#[N:40])[C:28]=3[C:26]#[N:27])=[CH:16][CH:15]=2)=[CH:8][CH:7]=1)[CH2:23][CH2:24][CH3:25]

Participants

5

Reactant 3

HCID 517165Ammonium AcetateHCID 99903452-[3-Cyano-4,5,5-trimethylfuran-2(5H)-ylidene]malononitrileHCID 713628364-{2-[4-(Dibutylamino)phenyl]ethenyl}benzaldehyde

Product 1

HCID 866676192-[4-[2-[4-[2-(4-dibutylaminophenyl)vinyl]phenyl]vinyl]-3-cyano-5,5-dimethyl-2(5H)-furanylidene]propanedinitrileYield 88.4%

Reagents, catalysts & solvents 1

HCID 21873804Tetrahydrofuran ethanolSolvent

Procedure

In an ethanol/tetrahydrofuran mixed solvent were dissolved 180 mg (0.54 mmol) of 4-[2-(4-dibutylaminophenyl)vinyl]benzaldehyde and 118 mg (0.59 mmol) of 2-(3-cyano-4,5,5-trimethyl-2(5H)-furanylidene]propanedinitrile. To this mixture, 46 mg (0.60 mmol) of ammonium acetate was added, and the mixture was stirred at room temperature. The solvent was evaporated off. The residue was purified by silica gel column chromatography and washed with ethanol to give 245 mg of a black crystal having a mp of 224-226° C. (yield: 88.4%).

Workup

  1. customThe solvent was evaporated off
  2. customThe residue was purified by silica gel column chromatography
  3. washwashed with ethanol

Sources & evidence

ORD record
ord-7ddb6889c2c2477bab4b2342a2c7185d
Source dataset
uspto-grants-2014_09
Patent number
US08846955B2

Reaction notes

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