Iminyl Radical-Mediated Controlled Hydroxyalkylation of Remote C(<i>sp</i>
<sup>3</sup>
)-H Bond via Tandem 1,5-HAT and Difunctionalization of Aryl Alkenes
作者:Zhi-Yong Ma、Li-Na Guo、Yu-Rui Gu、Li Chen、Xin-Hua Duan
DOI:10.1002/adsc.201801198
日期:2018.11.16
A visible‐light mediated γ‐hydroxyalkylation of ketones via C(sp3)‐H functionalization has been developed under redox neutral conditions. This protocol relies on the iminyl radical‐triggered 1,5‐HAT followed by oxyalkylation of alkenes, wherein C−C and C−O bonds were constructed in one step. This three‐component reaction features mild conditions, wide substrate scope and excellent functional group
在氧化还原中性条件下,通过C(sp 3)-H官能团形成了可见光介导的酮的γ-羟烷基化反应。该协议依赖于亚胺基引发的1,5-HAT,然后进行烯烃的氧烷基化,其中CC和C-O键是一步构建的。该三组分反应具有温和的条件,宽的底物范围和出色的官能团耐受性,因此可以轻松高效地获得复杂的有价值的酮。