Anion–π Interactions in Light‐Induced Reactions: Role in the Amidation of (Hetero)aromatic Systems with Activated
<i>N</i>
‐Aryloxyamides
作者:Laura Buglioni、Marco M. Mastandrea、Antonio Frontera、Miquel A. Pericàs
DOI:10.1002/chem.201903055
日期:2019.9.6
anion-π interactions as a driving force for chemical and biological processes is increasingly being recognized. In this communication, we describe for the first time its key participation in light-inducedreactions. We show, in particular, how transient complexes formed through noncovalent anion-π interactions between electron-poor N-aryloxyamides and multiply-charged anions (such as carbonate or phosphate)
Visible-Light-Mediated Synthesis of Amidyl Radicals: Transition-Metal-Free Hydroamination and <i>N</i>-Arylation Reactions
作者:Jacob Davies、Thomas D. Svejstrup、Daniel Fernandez Reina、Nadeem S. Sheikh、Daniele Leonori
DOI:10.1021/jacs.6b04920
日期:2016.7.6
The development of photoredox reactions of aryloxy-amides for the generation of amidylradicals and their use in hydroamination-cyclization and N-arylation reactions is reported. Owing to the ease of single-electron-transfer reduction of the aryloxy-amides, the organic dye eosin Y was used as the photoredox catalyst, which results in fully transition-metal-free processes. These transformations exhibit
报道了芳氧基-酰胺光氧化还原反应产生酰胺基自由基的发展及其在加氢胺化-环化和 N-芳基化反应中的应用。由于芳氧基酰胺易于单电子转移还原,有机染料伊红 Y 被用作光氧化还原催化剂,这导致完全无过渡金属的过程。这些转变表现出广泛的范围,可以容忍几个重要的功能,并已用于复杂和高价值含氮分子的后期修饰。