Visible light photocatalysis in the late-stage functionalization of pharmaceutically relevant compounds

R Cannalire, S Pelliccia, L Sancineto… - Chemical Society …, 2021 - pubs.rsc.org
The late stage functionalization (LSF) of complex biorelevant compounds is a powerful tool
to speed up the identification of structure–activity relationships (SARs) and to optimize …

Generation of alkyl radicals: from the tyranny of tin to the photon democracy

S Crespi, M Fagnoni - Chemical reviews, 2020 - ACS Publications
Alkyl radicals are key intermediates in organic synthesis. Their classic generation from alkyl
halides has a severe drawback due to the employment of toxic tin hydrides to the point that …

Synthetic methods driven by the photoactivity of electron donor–acceptor complexes

GEM Crisenza, D Mazzarella… - Journal of the American …, 2020 - ACS Publications
The association of an electron-rich substrate with an electron-accepting molecule can
generate a new molecular aggregate in the ground state, called an electron donor–acceptor …

Methodologies and strategies for selective borylation of C–Het and C–C bonds

M Wang, Z Shi - Chemical Reviews, 2020 - ACS Publications
Organoborons have emerged as versatile building blocks in organic synthesis to achieve
molecular diversity and as carboxylic acid bioisosteres with broad applicability in drug …

A general organocatalytic system for electron donor–acceptor complex photoactivation and its use in radical processes

E de Pedro Beato, D Spinnato, W Zhou… - Journal of the …, 2021 - ACS Publications
We report herein a modular class of organic catalysts that, acting as donors, can readily form
photoactive electron donor–acceptor (EDA) complexes with a variety of radical precursors …

Recent advances in pyridinium salts as radical reservoirs in organic synthesis

FS He, S Ye, J Wu - ACS Catalysis, 2019 - ACS Publications
Pyridinium salts are valuable building blocks, which have been widely applied in various
organic transformations during the past few decades. In particular, N-functionalized …

Catalyst‐Free Deaminative Functionalizations of Primary Amines by Photoinduced Single‐Electron Transfer

J Wu, PS Grant, X Li, A Noble… - Angewandte …, 2019 - Wiley Online Library
The use of pyridinium‐activated primary amines as photoactive functional groups for
deaminative generation of alkyl radicals under catalyst‐free conditions is described. By …

Generation of non-stabilized alkyl radicals from thianthrenium salts for C–B and C–C bond formation

C Chen, ZJ Wang, H Lu, Y Zhao, Z Shi - Nature Communications, 2021 - nature.com
Sulfonium salts bearing a positively charged sulfur atom with three organic substituents
have intrigued chemists for more than a century for their unusual structures and high …

Pyridinium salts as redox‐active functional group transfer reagents

SL Rössler, BJ Jelier, E Magnier… - Angewandte Chemie …, 2020 - Wiley Online Library
In this Review, we highlight recent advances in the understanding and design of N‐
functionalized pyridinium scaffolds as redox‐active, single‐electron, functional group …

Rapid assessment of the reaction‐condition‐based sensitivity of chemical transformations

L Pitzer, F Schäfers, F Glorius - … Chemie International Edition, 2019 - Wiley Online Library
A systematic, user‐friendly assessment tool that delivers a clear overview of the sensitivity of
reactions to key parameters is highly desirable. Herein, the development of such a method is …