2,4-Dimethoxybenzaldehyde → HCID 73432911, compound

HRID 2298697Notes

Reaction equation

HRID 2298697 reaction equation
[OH:1][C:2]1[N:6]([C:7]2[CH:12]=[CH:11][C:10]([S:13]([OH:16])(=[O:15])=[O:14])=[CH:9][CH:8]=2)[N:5]=[C:4]([CH3:17])[CH:3]=1.[CH3:18][O:19][C:20]1[CH:27]=[C:26]([O:28][CH3:29])[CH:25]=[CH:24][C:21]=1[CH:22]=O.C([O-])(=O)C.[NH4+]>C(O)C>[NH4+:5].[CH3:18][O:19][C:20]1[CH:27]=[C:26]([O:28][CH3:29])[CH:25]=[CH:24][C:21]=1[CH:22]=[C:3]1[C:2](=[O:1])[N:6]([C:7]2[CH:8]=[CH:9][C:10]([S:13]([O-:16])(=[O:15])=[O:14])=[CH:11][CH:12]=2)[N:5]=[C:4]1[CH3:17]

Participants

5

Reactant 3

HCID 691752,4-DimethoxybenzaldehydeHCID 517165Ammonium AcetateHCID 178429269HCID 178429269, compound

Product 1

HCID 73432911HCID 73432911, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

2.55 g of 5-hydroxy-3-methyl-1-(4-sulfophenyl)-1H-pyrazole, 1.83 g 2,4-dimethoxybenzaldehyde and 0.8 g of ammonium acetate in 25 mL of ethanol were heated at 70° C. After 5 hours, the mixture was cooled and filtered.

Workup

  1. temperaturethe mixture was cooled
  2. filtrationfiltered

Sources & evidence

ORD record
ord-1a944cfa96254843b08b289b54286dad
Source dataset
uspto-grants-2002_12
Patent number
US06494923B2

Reaction notes

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