4-Nitrobenzaldehyde → 3,6-Di(p-nitrostyryl)pyridazine

HRID 2350838Notes

Reaction equation

HRID 2350838 reaction equation
[CH3:1][C:2]1[N:3]=[N:4][C:5]([CH3:8])=[CH:6][CH:7]=1.[N+:9]([C:12]1[CH:17]=[CH:16][C:15]([CH:18]=O)=[CH:14][CH:13]=1)([O-:11])=[O:10]>C(OC(=O)C)(=O)C>[N+:9]([C:12]1[CH:17]=[CH:16][C:15]([CH:18]=[CH:1][C:2]2[N:3]=[N:4][C:5]([CH:8]=[CH:18][C:15]3[CH:16]=[CH:17][C:12]([N+:9]([O-:11])=[O:10])=[CH:13][CH:14]=3)=[CH:6][CH:7]=2)=[CH:14][CH:13]=1)([O-:11])=[O:10]

Participants

4

Reactant 2

HCID 5414-NitrobenzaldehydeHCID 5270313,6-Dimethylpyridazine

Product 1

HCID 540595653,6-Di(p-nitrostyryl)pyridazineYield 44.4%

Reagents, catalysts & solvents 1

HCID 7918Acetic AnhydrideSolvent

Procedure

24 g of 3,6-dimethylpyridazine and 60 g of p-nitrobenzenealdehyde are dissolved in one liter of acetic acid anhydride, which is heated and refluxed to obtain 33 g of 3,6-di(p-nitrostyryl)pyridazine (K').

Workup

  1. temperaturewhich is heated
  2. temperaturerefluxed

Sources & evidence

ORD record
ord-1fab1cbdde784f64b96bef37330626f9
Source dataset
uspto-grants-1989_10
Patent number
US04871633

Reaction notes

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