internal alkyne to afford a polysubstituted dihydropyridine derivative in good yield under mild conditions. The reaction likely involves alkenylation of the olefinic C–H bond via cobalt-mediated nitrogen-assisted C–H activation followed by facile 6π electrocyclization of the resulting azatriene intermediate.
钴-三芳基膦催化剂可促进α,β-不饱和
亚胺与内部
炔烃的环化反应,在温和的条件下以良好的收率提供多取代的二氢
吡啶衍生物。该反应可能涉及通过
钴介导的氮辅助C–H活化作用使烯烃C–H键进行烯基化反应,然后将生成的氮杂
三烯中间体轻松地6π电环化。