The persistent radical effect in organic synthesis

D Leifert, A Studer - Angewandte Chemie International Edition, 2020 - Wiley Online Library
Radical–radical couplings are mostly nearly diffusion‐controlled processes. Therefore, the
selective cross‐coupling of two different radicals is challenging and not a synthetically …

Recent advances in radical difunctionalization of simple alkenes

XW Lan, NX Wang, Y Xing - European Journal of Organic …, 2017 - Wiley Online Library
Direct difunctionalization of simple alkenes, the incorporation of two functional groups onto a
carbon–carbon double bond, is of particular interest to the chemical community owing to its …

Visible‐Light‐Mediated Metal‐Free Difunctionalization of Alkenes with CO2 and Silanes or C(sp3)−H Alkanes

J Hou, A Ee, H Cao, HW Ong, JH Xu… - Angewandte Chemie …, 2018 - Wiley Online Library
Catalytic alkene difunctionalization via Si− H and C− H activations represents an ideal atom‐
and step‐economic pathway for quick assembly of molecular complexity. We herein …

Copper‐Catalyzed Radical/Radical CH/PH Cross‐Coupling: α‐Phosphorylation of Aryl Ketone O‐Acetyloximes

J Ke, Y Tang, H Yi, Y Li, Y Cheng, C Liu… - Angewandte …, 2015 - Wiley Online Library
The selective radical/radical cross‐coupling of two different organic radicals is a great
challenge due to the inherent activity of radicals. In this paper, a copper‐catalyzed …

Monofluoroalkenylation of dimethylamino compounds through radical–radical cross‐coupling

J Xie, J Yu, M Rudolph, F Rominger… - Angewandte Chemie …, 2016 - Wiley Online Library
An unprecedented and challenging radical–radical cross‐coupling of α‐aminoalkyl radicals
with monofluoroalkenyl radicals derived from gem‐difluoroalkenes was achieved. This first …

Photochemical Carbopyridylation of Alkenes Using N‐Alkenoxypyridinium Salts as Bifunctional Reagents

GR Mathi, Y Jeong, Y Moon… - Angewandte Chemie …, 2020 - Wiley Online Library
N‐Alkenoxypyridinium salts have been used as synthons for the umpolung reaction of
enolates for the preparation of α‐functionalized carbonyl compounds. In contrast, we found …

Markovnikov‐Selective Radical Addition of S‐Nucleophiles to Terminal Alkynes through a Photoredox Process

H Wang, Q Lu, CW Chiang, Y Luo… - Angewandte Chemie …, 2017 - Wiley Online Library
Direct radical additions to terminal alkynes have been widely employed in organic synthesis,
providing credible access to the anti‐Markovnikov products. Because of the Kharasch effect …

Photoredox‐Controlled Mono‐ and Di‐Multifluoroarylation of C(sp3)−H Bonds with Aryl Fluorides

J Xie, M Rudolph, F Rominger… - Angewandte Chemie …, 2017 - Wiley Online Library
A controllable mono‐and di‐multifluoroarylation of acyclic and cyclic N‐aryl amines with aryl
fluorides by photocatalyzed dual C (sp3)− H/C (sp2)− F functionalization has been …

Der “Persistent Radical Effect” in der organischen Chemie

D Leifert, A Studer - Angewandte Chemie, 2020 - Wiley Online Library
Abstract Radikal‐Radikal‐Kupplungen sind nahezu diffusionskontrollierte Prozesse. Daher
sind selektive Kreuzkupplungen zweier unterschiedlicher Radikale schwierig zu realisieren …

Recent Advances in the One‐Step Synthesis of Distally Fluorinated Ketones

Y Zeng, C Ni, J Hu - Chemistry–A European Journal, 2016 - Wiley Online Library
Fluorinated ketones are intriguing compounds in synthetic chemistry and life science‐
related fields. The development of efficient methodologies to obtain these compounds is of …