Radical aryl migration reactions and synthetic applications

ZM Chen, XM Zhang, YQ Tu - Chemical Society Reviews, 2015 - pubs.rsc.org
Radical aryl migration reactions are of particular interest to the chemical community due to
their potential application in radical chemistry and organic synthesis. The neophyl …

Radical aryl migration reactions

A Studer, M Bossart - Tetrahedron, 2001 - Elsevier
Since the first report of a radical aryl migration reaction by Wieland in 1911, many examples
have appeared in the literature. 1 The most extensively investigated aryl migration reaction …

Copper-Catalyzed Radical Acyl-Cyanation of Alkenes with Mechanistic Studies on the tert-Butoxy Radical

Y Jiao, MF Chiou, Y Li, H Bao - ACS Catalysis, 2019 - ACS Publications
A copper-catalyzed radical acyl-cyanation of alkenes with aldehydes, employing TBHP as
an initiator, has been developed and is reported in this study. Mechanistic studies support …

Selectivity in the chemistry of oxygen-centered radicals-the formation of carbon-oxygen bonds

J Hartung, T Gottwald, K Špehar - Synthesis, 2002 - thieme-connect.com
In recent years, powerful new methods for the generation of alkoxyl radicals under mild and
neutral conditions have been developed. This progress has led to a thorough investigation …

Coupling cyclizations with fragmentations for the preparation of heteroaromatics: quinolines from o-alkenyl arylisocyanides and boronic acids

CJ Evoniuk, M Ly, IV Alabugin - Chemical Communications, 2015 - pubs.rsc.org
Stereoelectronic restrictions on homoallylic ring expansion in alkyne cascades can be
overcome by using alkenes as synthetic equivalents of alkynes in reaction cascades that are …

Conformationally gated fragmentations and rearrangements promoted by interception of the Bergman cyclization through intramolecular H-abstraction: a possible …

A Baroudi, J Mauldin, IV Alabugin - Journal of the American …, 2010 - ACS Publications
A variety of fragmentations and rearrangements can follow Bergman cyclization in
enediynes equipped with acetal rings mimicking the carbohydrate moiety of natural …

Radical O→ C transposition: a metal-free process for conversion of phenols into benzoates and benzamides

A Baroudi, J Alicea, P Flack, J Kirincich… - The Journal of Organic …, 2011 - ACS Publications
We report a metal-free procedure for transformation of phenols into esters and amides of
benzoic acids via a new radical cascade. Diaryl thiocarbonates and thiocarbamates …

Domino fragmentations in traceless directing groups of radical cascades: evidence for the formation of alkoxy radicals via C–O scission

T Harris, GP Gomes, RJ Clark… - The Journal of organic …, 2016 - ACS Publications
Direct evidence for the formation of alkoxy radicals is reported in radical cascades using
traceless directing groups. Despite the possibility of hydrogen abstraction in the fragmenting …

The Effect of Ring Substitution on the O-Neophyl Rearrangement of 1,1-Diarylalkoxyl Radicals. A Product and Time-Resolved Kinetic Study

CS Aureliano Antunes, M Bietti, G Ercolani… - The Journal of …, 2005 - ACS Publications
A product and time-resolved kinetic study of the effect of ring substitution on the reactivity of
1, 1-diarylalkoxyl radicals has been carried out. The radicals undergo an O-neophyl shift to …

Photoreactions of Phenyl‐Substituted N‐(pent‐4‐enyl‐1‐oxy)Pyridine‐2(1 H)‐Thiones

J Hartung, M Hiller, P Schmidt - Chemistry–A European …, 1996 - Wiley Online Library
A series of hitherto unknown N‐(pent‐4‐enyl‐1‐oxy) pyridine‐2 (1 H)‐thiones (6) were
prepared from substituted pent‐4‐enyl tosylates or benzylic chlorides. On irradiation with …