Design principles of the use of alkynes in radical cascades

C Hu, J Mena, IV Alabugin - Nature Reviews Chemistry, 2023 - nature.com
One of the simplest organic functional groups, the alkyne, offers a broad canvas for the
design of cascade transformations in which up to three new bonds can be added to each of …

Pd-catalyzed regioselective activation of C (sp 2)–H and C (sp 3)–H bonds

W Ali, GA Oliver, DB Werz, D Maiti - Chemical Society Reviews, 2024 - pubs.rsc.org
Differentiating between two highly similar C–H bonds in a given molecule remains a
fundamental challenge in synthetic organic chemistry. Directing group assisted strategies for …

Remote site-selective arene C–H functionalization enabled by N-heterocyclic carbene organocatalysis

QZ Li, WL Zou, ZY Yu, XX Kou, YQ Liu, X Zhang… - Nature Catalysis, 2024 - nature.com
Catalytic site-selective functionalization of distal C–H bonds represents a formidable
challenge in organic synthesis. Particularly, the precise functionalization of distal aromatic C …

Biocatalytic control of site-selectivity and chain length-selectivity in radical amino acid halogenases

EN Kissman, ME Neugebauer… - Proceedings of the …, 2023 - National Acad Sciences
Biocatalytic C–H activation has the potential to merge enzymatic and synthetic strategies for
bond formation. FeII/αKG-dependent halogenases are particularly distinguished for their …

Photo‐Induced Ruthenium‐Catalyzed Double Remote C(sp2)−H / C(sp3)−H Functionalizations by Radical Relay

Y Wang, S Chen, X Chen, A Zangarelli… - Angewandte Chemie …, 2022 - Wiley Online Library
Abstract Distal C (sp2)− H and C (sp3)− H functionalizations have recently emerged as step‐
economical tools for molecular synthesis. However, while the C (sp2)− C (sp3) construction …

Close‐Shell Reductive Elimination versus Open‐Shell Radical Coupling for Site‐Selective Ruthenium‐Catalyzed C− H Activations by Computation and Experiments

X Chen, HC Gülen, J Wu, ZJ Zhang… - Angewandte Chemie …, 2023 - Wiley Online Library
Ruthenium‐catalyzed σ‐bond activation‐assisted meta‐C− H functionalization has emerged
as a useful tool to forge distal C− C bonds. However, given the limited number of …

Functionalized Cycloolefin Ligand as a Solution to Ortho-Constraint in the Catellani-Type Reaction

FY Wang, YX Li, L Jiao - Journal of the American Chemical …, 2023 - ACS Publications
The Catellani reaction, ie, the Pd/norbornene (NBE) catalysis, has been evolved into a
versatile approach to multisubstituted arenes via the ortho-functionalization/ipso-termination …

Deciphering the Mechanistic Insights of Temporary Directing-Group-Assisted meta-Alkenylation of Complex Biaryl Systems

N Goswami, N Kumar, S Bag, P Gupta, D Maiti - ACS Catalysis, 2023 - ACS Publications
The recently developed palladium-catalyzed C (sp2)–H olefination of 2-arylbenzaldehyde
with the aid of a temporary directing group (TDG) via reversible imine formation delivers …

Palladium (II)‐Catalyzed C− H Activation with Bifunctional Ligands: From Curiosity to Industrialization

K Wu, N Lam, DA Strassfeld, Z Fan, JX Qiao… - Angewandte …, 2024 - Wiley Online Library
In 2001, our curiosity to understand the stereochemistry of C− H metalation with Pd
prompted our first studies in Pd (II)‐catalyzed asymmetric C− H activation (RSC Research …

Pd (ii)-catalyzed meta-C–H bromination and chlorination of aniline and benzoic acid derivatives

H Wang, L Fu, C Zhou, G Li - Chemical Science, 2022 - pubs.rsc.org
The classic electrophilic bromination leads to ortho-and para-bromination of anilines due to
their electron-rich properties. Herein we report the development of an unprecedented Pd …