having 1-arylalkyl groups on nitrogen undergo an unprecedented dehydrogenative [4 + 2] cycloaddition reaction with alkynes via nickel/AlMe(3) cooperative catalysis to give highly substituted dihydropyridone derivatives in good yields. Notably, the transformation proceeds through double functionalization of C(sp(2))-H and C(sp(3))-H bonds in the formamides.
在氮上具有 1-芳基烷基的甲酰胺通过
镍/AlMe(3) 协同催化与
炔烃发生前所未有的脱氢 [4 + 2] 环加成反应,以良好的收率得到高度取代的
二氢吡啶酮衍
生物。值得注意的是,转化是通过甲酰胺中 C(sp(2))-H 和 C(sp(3))-H 键的双官能化进行的。