heterocyclic compounds. Thus, the development of an efficient strategy for their preparation becomes highly desirable. A new method for the transformation of carboxamides into iminolactones via copper-catalyzed intramolecular C(sp3)–H bond functionalization is reported herein. A series of primary, secondary and tertiary C(sp3)–H bonds were all accommodated to afford iminolactones through a cascade process
亚
氨基内酯是一类重要的
杂环化合物。因此,非常需要为它们的制备制定有效的策略。本文报道了一种通过
铜催化的分子内 C(sp 3 )–H 键功能化将甲酰胺转化为亚
氨基内酯的新方法。一系列伯、仲和叔 C(sp 3 )–H 键都被容纳,通过级联过程提供亚
氨基内酯,该级联过程涉及酰胺基中间体生成、1,5-HAT(氢原子转移)和随后的环化。