Terephthalaldehyde → HCID 354777, compound
Reaction equation
[C:1]1([CH:9]=O)[CH:6]=[CH:5][C:4]([CH:7]=O)=[CH:3][CH:2]=1.[CH3:11][C:12](=[O:17])[CH2:13][C:14](=[O:16])[CH3:15].S(Cl)(Cl)=O>CC(O)C>[C:14]([C:13]([C:12](=[O:17])[CH3:11])=[CH:9][C:1]1[CH:2]=[CH:3][C:4]([CH:7]=[C:13]([C:12](=[O:17])[CH3:11])[C:14](=[O:16])[CH3:15])=[CH:5][CH:6]=1)(=[O:16])[CH3:15]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
To a mixture containing 1.34 g of 1,4-benzenedicarboxaldehyde and 2.1 g of 2,4-pentanedione in 20ml of 2-propanol was gradually added 3.0 g of thionyl chloride with stirring and cooling below 20° C. The mixture was stirred over night at room temperature, filtered and washed with 2-propanol. Yield 1.1 g (55%).
Workup
- temperaturecooling below 20° C
- stirringThe mixture was stirred over night at room temperature
- filtrationfiltered
- washwashed with 2-propanol
Sources & evidence
- ORD record
- ord-44d97cc1a5644d1a8a1055a8eaf503a2
- Source dataset
- uspto-grants-1994_02
- Patent number
- US05288750
Reaction notes
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