Electrifying Phthalimide-<i>N</i>-Oxyl (PINO) Radical Chemistry: Anodically Induced Dioxygenation of Vinyl Arenes with <i>N</i>-Hydroxyphthalimide
作者:Stanislav A. Paveliev、Oleg O. Segida、Andrey Dvoretskiy、Mark M. Dzyunov、Uliana V. Fedorova、Alexander O. Terent’ev
DOI:10.1021/acs.joc.1c02367
日期:2021.12.17
An electrochemical process of free-radical difunctionalization of vinyl arenes with N-hydroxyphthalimide resulting in vicinal dioxyphthalimides was discovered. The reaction proceeds with the use of pyridinium perchlorate and pyridine as a supporting electrolyte and a base, respectively. The present approach involves the anodic generation of stabilized phthalimide-N-oxyl (PINO) radical, which adds to
发现了乙烯基芳烃与N-羟基邻苯二甲酰亚胺自由基双官能化产生邻位二氧邻苯二甲酰亚胺的电化学过程。该反应使用高氯酸吡啶鎓和吡啶分别作为支持电解质和碱进行。本方法涉及稳定的邻苯二甲酰亚胺-N-氧基(PINO)自由基的阳极生成,该自由基添加到乙烯基芳烃的碳-碳双键并与随后形成的苄基自由基复合。以高达 81% 的产率获得了范围广泛的二氧邻苯二甲酰亚胺。