Enantioselective Synthesis of γ-Oxycarbonyl Motifs by Conjugate Addition of Photogenerated α-Alkoxy Radicals
作者:Xiao Dong、Qi Yukki Li、Tehshik P. Yoon
DOI:10.1021/acs.orglett.1c01790
日期:2021.8.6
addition of photogenerated α-alkoxy radicals to acyl pyrazolidinones can be accomplished using a tandem Sc(III) Lewis acid/photoredox catalyst system. Surprisingly, the excited-state oxidation potential was not the only important variable, and the optimal photocatalyst was not the strongest oxidant screened. Our results show that both the oxidation and reduction potentials of the photocatalyst can be
可以使用串联的 Sc(III) Lewis 酸/光氧化还原催化剂体系实现对映选择性催化 Giese 将光生 α-烷氧基自由基加成到酰基吡唑烷酮。令人惊讶的是,激发态氧化电位并不是唯一重要的变量,最佳光催化剂也不是筛选出的最强氧化剂。我们的结果表明,光催化剂的氧化和还原电位对反应结果都很重要,突出了整体考虑在设计光化学反应中的重要性。