A nickel-catalyzed cycloaddition of aromatic (O-benzyl)ketoximes with alkynes to afford 3,4-disubstituted isoquinoline derivatives has been developed. The reaction involves oxidative addition of N–O bond of O-benzylketoxime to Ni(0) and subsequent intermolecular C–H bond activation via elimination of benzyl alcohol. It was also found that ketoximes participate in the nickel-catalyzed reaction with alkynes to furnish isoquinoline N-oxide derivatives.
研究人员开发了一种
镍催化的芳香族(O-苄基)酮
肟与
炔烃的环加成反应,从而制备出 3,4-二取代的
异喹啉衍
生物。该反应涉及 O-苄基酮
肟的 N-O 键与 Ni(0) 的氧化加成,以及随后通过消除
苄醇激活分子间的 C-H 键。研究还发现,酮
肟参与了
镍催化的
炔烃反应,生成
异喹啉 N-氧化物衍
生物。