Regioselective Reaction of Heterocyclic <i>N</i>-Oxides, an Acyl Chloride, and Cyclic Thioethers
作者:Przemyslaw Frei、D. Heulyn Jones、Steven T. Kay、Jayde A. McLellan、Blair F. Johnston、Alan R. Kennedy、Nicholas C. O. Tomkinson
DOI:10.1021/acs.joc.7b02457
日期:2018.2.2
cyclic thioether in the presence of triethylamine leads to the corresponding 2-functionalized product in up to a 74% isolated yield. The transformation can also be accomplished with alternative nitrogen containing heterocycles, including quinolines, pyrimidines, and pyrazines. To expand the scope of the transformation, diisopropyl ether can be used as the reaction medium to allow for the use of solid
Highly chemoselective deoxygenation of N-heterocyclic <i>N</i>-oxides under transition metal-free conditions
作者:Se Hyun Kim、Ju Hyeon An、Jun Hee Lee
DOI:10.1039/d1ob00260k
日期:——
the most useful tools for synthesizing various N-heterocyclic compounds, the highly chemoselective deoxygenation of densely functionalized N-heterocyclic N-oxides has received much attention from the synthetic chemistry community. Here, we provide a protocol for the highly chemoselective deoxygenation of various functionalized N-oxides under visible light-mediated photoredox conditions with Na2-eosin