The efficient copper-mediated oxidative C–H alkynylation of benzhydrazides was accomplished with terminal alkynes. Thus, a heteroaromatic removable N-2-pyridylhydrazide allowed for domino C–H/N–H functionalization. The approach featured remarkable functional group compatibility and ample substrate scope. Thereby, highly functionalized aromatic and heteroaromatic isoindolin-1-ones were accessed with high efficacy with rate-limiting C–H cleavage.
直接给您结果:
通过铜催化的高效氧化C-H炔基化反应,使用末端炔烃成功实现了对苯基肼的反应。因此,一种杂环可拆卸的N-2-吡啶基肼允许进行多米诺C-H/N-H官能团化反应。该方法具有显著的官能团兼容性和广泛的底物范围。因此,高度官能化的芳香族和杂环异吲哚啉-1-酮可以以高效率获得,其速率限制步骤为C-H断裂。