[CH3:1][O:2][C:3]1[C:4]([NH2:9])=[CH:5][CH:6]=[CH:7][CH:8]=1.[C:10]([O:14][CH2:15][CH3:16])(=[O:13])[C:11]#[CH:12]>C(O)C>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][C:4]=1[NH:9][CH:12]=[CH:11][C:10]([O:14][CH2:15][CH3:16])=[O:13]o-Anisidine (57 ml, 0.5 mol) and ethyl propiolate (51 ml, 0.5 mol) were heated together under reflux in ethanol (200 ml) for 3 hours. The solvent was evaporated to afford ethyl 3-(2-methoxyphenylamino)acrylate as a yellow oil (55 g, 100%).
読み込み中…