3-(Dimethylamino)-2-methyl-2-propenal → HCID 68751373, compound
Reaction equation
[C:1]([C:5]1[C:6]([NH2:11])=[N:7][NH:8][C:9]=1[NH2:10])([CH3:4])([CH3:3])[CH3:2].CN(C)[CH:14]=[C:15]([CH3:18])[CH:16]=O>C(O)C.C(O)(=O)C>[C:1]([C:5]1[C:6]([NH2:11])=[N:7][N:8]2[CH:16]=[C:15]([CH3:18])[CH:14]=[N:10][C:9]=12)([CH3:4])([CH3:2])[CH3:3]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
A mixture from Example 105A (1.56 g, 10.1 mmol), 3-dimethylamino-2-methyl-2-propenal (1.63 g, 14.4 mmol) and acetic acid (25 μL, 0.44 mmol) in ethanol (10 mL) was heated by microwave to 150° C. for 30 minutes. The mixture was cooled to ambient temperature and concentrated. Purification by silica gel chromatography (EtOAc, Rf=0.53) afforded 1.66 g (80%) of the title compound. MS (DCI) m/z 205 (M+H)+.