[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:8]=[CH:9][C:10]=1[O:11][CH2:12][CH2:13][CH2:14][CH3:15])[C:6]#[N:7].[N+:16]([O-])([OH:18])=[O:17]>>[N+:16]([C:8]1[CH:9]=[C:10]([O:11][CH2:12][CH2:13][CH2:14][CH3:15])[C:3]([O:2][CH3:1])=[CH:4][C:5]=1[C:6]#[N:7])([O-:18])=[O:17]3-methoxy-4-n-butoxybenzonitrile (1.282 g, 6 mmol) and nitric acid (6 mL) were added into a round bottom flask, heated to 30° C. to react for 2 h, poured into ice-water; after complete stirring, the solution was filtered, washed with water and air-dried to yield 1.495 g of light yellow solid product with a recovery rate of 96%.
Wird geladen…