Substituted Hantzsch esters can act as radical reservoirs in photoredox reactions, steadily releasing a carbon radical and a hydrogen atom radical in the absence of an additional electron acceptor. We propose that radical release by substituted Hantzsch esters occurs via a mechanism involving an internal redox cycle. Cinnamidecinnamides, styrenes, α,β‐unsaturated acids, and diarylethenes could be alkylated
Visible-Light-Induced Oxidative Decarboxylative Coupling of Phenylacetic Acid Derivatives Using SF6 as an Oxidant
作者:Ya-Wen Zuo、Yue Zhao、Yi-Fan Zhang、Xiao-Yu Guo、Tian-Rui Wu、Ruo-Xing Jin、Xi-Sheng Wang
DOI:10.1021/acs.orglett.4c01609
日期:2024.7.12
A visible-light-mediated decarboxylative coupling reaction of phenylacetic acid derivatives, featuring sulfur hexafluoride (SF6) as the oxidant, has been developed. This metal-free method allows for the synthesis of a series of bibenzyl derivatives and complex all-carbon skeletons, facilitating efficient utilization and degradation of the greenhouse gas SF6.
Alkylations of Benzhydryl-Type Alkanes and Alkenes by Means of Alkali Amides and Metals in Liquid Ammonia to Form (C<sub>6</sub>H<sub>5</sub>)<sub>2</sub>CRR'<sup>1</sup>