[Cl:1][C:2]1[CH:17]=[CH:16][C:5]([O:6][C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10](Cl)=[O:11])=[C:4]([N+:18]([O-:20])=[O:19])[CH:3]=1.[CH3:21][NH:22][CH3:23].O>C1COCC1>[Cl:1][C:2]1[CH:17]=[CH:16][C:5]([O:6][C:7]2[CH:8]=[C:9]([CH:13]=[CH:14][CH:15]=2)[C:10]([N:22]([CH3:23])[CH3:21])=[O:11])=[C:4]([N+:18]([O-:20])=[O:19])[CH:3]=1To the product from Example 168b (2.0 g, 6.4 mmol) in THF (25 mL) was added dimethylamine (0.6 g, 13.3 mmol) and the reaction stirred for 16 h. The reaction was poured into water and extracted with ethyl acetate. The organic layer washed with 5% HCL, water, brine, and dried over sodium sulfate, filtered and concentrated under vacuum giving the title compound (1.9 g, 87%).
Wird geladen…