Solutions of nitronium tetrafluoroborate in acetonitrile prepared by anodic oxidation of nitrogen dioxide, efficiently nitrate aromatics, enolsilyethers, alkenes and conjugated dienes to afford respectively nitroaromatics, α-nitroketones, vicinal nitroamides and mixtures of nitroacetamides by 1,2- and 1,4-addition.
通过
二氧化氮的阳极氧化制得的四
氟硼酸硝基
铵在
乙腈中的溶液,有效地硝化芳族化合物,烯醇醚,烯烃和共轭二烯,分别提供硝基芳族化合物,α-硝基酮,邻位硝基酰胺和通过1,2-和1,4-加成的硝基乙酰胺混合物。