[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([CH3:8])[C:3]=1[NH:9][C:10](=[O:18])[CH2:11][N:12]1[CH2:17][CH2:16][NH:15][CH2:14][CH2:13]1.[CH3:19][O:20][C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=1[CH2:27][C:28](=[O:31])[CH:29]=[CH2:30]>C(O)C>[CH3:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([CH3:1])[C:3]=1[NH:9][C:10](=[O:18])[CH2:11][N:12]1[CH2:13][CH2:14][N:15]([CH2:30][CH2:29][C:28](=[O:31])[CH2:27][C:22]2[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=2[O:20][CH3:19])[CH2:16][CH2:17]1A mixture of N-(2,6-dimethylphenyl)-2-piperazinylacetamide (100 mg, 0.4 mmol) and 1-(2-methoxyphenyl)but-3-en-2-one (100 mg, 0.56 mmol), a compound of formula (12), in ethanol (2 mL) was heated at reflux for 16 hours. Ethanol was removed under reduced pressure and the residue was purified by preparative TLC, using 10% methanol in dichloromethane as mobile phase, to afford N-(2,6-dimethylphenyl)-2-{4-[4-(2-methoxyphenyl)-3-oxobutyl]piperazin-1-yl}acetamide, a compound of formula (13).
Wird geladen…