Reaction equation
[NH:1]([C:5]1[CH:12]=[CH:11][C:8]([CH:9]=O)=[CH:7][CH:6]=1)[C:2]([CH3:4])=[O:3].[C:13](#[N:17])[CH2:14][C:15]#[N:16]>C(O)C.N1CCCCC1>[C:15]([C:14]([C:13]#[N:17])=[CH:9][C:8]1[CH:11]=[CH:12][C:5]([NH:1][C:2](=[O:3])[CH3:4])=[CH:6][CH:7]=1)#[N:16]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
32.6 g (0.2 mol) of 4-acetaminobenzaldehyde and 13.74 g (0.208 mol) of malononitrile are initially charged in 140 ml of ethanol, and 24 drops of piperidine are added. The mixture is stirred at reflux for 30 min. After cooling, the crystals are filtered off with suction and dried.
Workup
- temperatureat reflux for 30 min
- temperatureAfter cooling
- filtrationthe crystals are filtered off with suction
- customdried
Sources & evidence
- ORD record
- ord-f87e5dfbcd364d2c8293d075f4d09f50
- Source dataset
- uspto-grants-2009_03
- Patent number
- US07504421B2
Linked notes
Loading…